The Global Carbon Budget

Greta Thunberg - Speeches - Excerpts

Greta Thunberg (16), Climate activist from Sweden

On March 15, 2019, about 1.4 million students in 123 countries joined school strike for climate justice. I am going to continue school striking until Sweden is in line with The Paris Agreement.  Richest 10% of world population emits about half of greenhouse gases. Richest 1% emits more than the poorest 50%. About 100 companies emit approximately 71% of our total emissions of CO2. If the richest 10% of the world’s population would lower their emissions to that of the average citizen in EU, then the world’s emissions of CO2 would be cut by about one third. Our biosphere is being sacrificed so that rich people in countries like mine can live in luxury. It is the sufferings of the many which pay for the luxuries of the few.

• People tell success stories but their financial success has come with an unthinkable price tag.
• We need to start living within the planetary boundaries. This will be drastic change for many but not for most. Because most of the world population is already living within the planetary boundaries. It is minority who are not. 
• The main solution however is so simple that even a small child can understand it. We have to stop the emissions of greenhouse gases. And either we do that or we don't. 
• People are not aware that there is such a thing as a carbon budget. If you regularly fly around the world, eat meat and dairy and are living a high carbon lifestyle then that means you have used up countless of people’s remaining carbon budgets. Carbon budgets that they will need in their everyday life, for generations to come. Those whose carbon budgets we are stealing are the ones least responsible and the ones who are going to be affected the most by this crisis.
• We must change almost everything in our current societies. The bigger your carbon footprint is, the bigger your moral duty. The bigger your platform the bigger your responsibility. 
• I want you to act as if you would in a crisis. I want you to act as if the house was on fire, because it is. 
• We need to keep the fossil fuels in the ground and we need to focus on equity. And if solutions within this system are so impossible to find then maybe we should change the system itself. We have run out of excuses and we are running out of time. We have come here to let you know that change is coming whether you like it or not. The real power belongs to the people! 
• Rich countries like Sweden need to start reducing emissions by at least 15% every year to reach the 2 degree warming target. 
• We are in the midst of the sixth mass extinction, and the extinction rate is up to 10,000 times faster than what is considered normal, with up to 200 species becoming extinct every single day. Erosion of fertile topsoil, deforestation of our great forests, toxic air pollution, loss of insects and wildlife, the acidification of our oceans. These are all disastrous trends being accelerated by a way of life that we, here in our financially-fortunate part of the world, see as our right to simply carry on. 
• Our house is falling apart, and our leaders need to start acting accordingly, because at the moment they are not. If our house was falling apart, you would change almost every part of your behavior, as you do in an emergency. If our house was falling apart, you wouldn't hold three emergency Brexit summits and no emergency summit regarding the breakdown of the climate and environment. 
• No one ever speak about the aspect of equity clearly stated everywhere in the Paris agreement, which is absolutely necessary to make it work on a global scale. That means that rich countries like mine (Sweden) to get down to zero emissions, within 6–12 years, so that people in poorer countries can heighten their standard of living by building some of the infrastructure that we have already built, such as hospitals, electricity, clean drinking water and so on.
• The climate crisis has already been solved. We already have all the facts and solutions. All we have to do is to wake up and change. 
• Today we use 100 million barrels of oil every single day. There are no politics to change that. There are no rules to keep that oil in the ground. So we can’t save the world by playing by the rules. Because the rules have to be changed. Everything needs to change. And it has to start today. 
• Since our leaders are behaving like children, we will have to take the responsibility they should have taken long ago. 
• If burning fossil fuels was so bad that it threatened our very existence, how could we just continue like before? Why were there no restrictions? Why wasn't it made illegal? 
• I was diagnosed with Asperger's syndrome OCD and selective mutism. That basically means I only speak when I think it is necessary. Now is one of those moments. 
• If the emissions have to stop, then we must stop the emissions. Either we go on as a civilization or we don't. We have to change. We need a system change rather than individual change. But you can not have one without the other.
• Rich countries like Sweden need to start reducing emissions by at least 15 percent every year. And that is so that we can stay below a two degree warming target. IPCC have recently demonstrated, aiming instead for 1.5 degrees Celsius would significantly reduce the climate impacts.
• People keep doing what they do because the vast majority doesn't have a clue about the actual consequences of our everyday life.
• No one is acting as if we were in a crisis. Even most climate scientists or green politicians keep on flying around the world, eating meat and dairy. 
• What we do or don't do right now will affect my entire life and the lives of my children and grandchildren. What we do or don't do right now, me and my generation can't undo in the future. 
• We children usually don't do as you tell us to do, we do as you do. And if you adults don't care about my future, neither do I. 

Climate crisis is real

After more than a century and a half of industrialization, deforestation, and large scale agriculture, quantities of greenhouse gases in the atmosphere have risen to record levels not seen in three million years. As populations, economies and standards of living grow, so does the cumulative level of greenhouse gases emissions. Climate change is potentially irreversible threat to human societies. Climate change is shifting of weather patterns that threaten food production, rising sea levels that increase the risk of catastrophic flooding, the impacts are global in scope and unprecedented in scale. Without drastic action today, adapting to these impacts in the future will be more difficult and costly.

• The concentration of GHGs in the earth’s atmosphere is directly linked to the average global temperature on Earth.
• The most abundant GHG, accounting for about two-thirds of GHGs, is carbon dioxide (CO2), is largely the product of burning fossil fuels. Carbon dioxide (CO2) emissions account for around 80% of global warming.
• In 2013, the UN Intergovernmental Panel on Climate Change (IPCC) in its report made a categorical conclusion: climate change is real and human activities are the main cause.
• It also estimates and provides a CO2 budget for future emissions to limit warming to less than 2°C. About half of this maximum amount was already emitted by 2011.
• Oceans have warmed, the amounts of snow and ice have diminished and the sea level has risen. 
• The sea ice extent in the Arctic is shrinking. Given current concentrations and ongoing emissions of greenhouse gases, it is likely that the end of this century that global mean temperature will continue to rise. The world’s oceans will warm and ice melt will continue. Most aspects of climate change will persist for many centuries, even if emissions are stopped.
• The leading irreversible changes in the planetary climate system, may already have been reached or passed. Mountain glaciers are in alarming retreat and the downstream effects of reduced water supply in the driest months will have repercussions that transcend generations.
• In October 2018 the IPCC issued a special report on the impacts of limiting global warming to 1.5°C would require rapid, far reaching and unprecedented changes in all aspects of society. While previous estimates focused on estimating the damage if average temperatures were to rise by 2°C, this report shows that many of the adverse impacts of climate change will come at the 1.5°C mark. 
• A number of climate change impacts could be avoided by limiting global warming to 1.5ºC.
• Limiting global warming to 1.5°C would require “rapid and far-reaching” transitions in land, energy, industry, buildings, transport, and cities. Global net human-caused emissions of carbon dioxide (CO2) would need to fall by about 45% from 2010 levels by 2030, reaching ‘net zero’ around 2050. This means that any remaining emissions would need to be balanced by removing CO2 from the air.
• Arctic permafrost is melting decades earlier than the worst-case scenarios threatening to unlock vast amounts of methane, a greenhouse gas.

UN Secretary-General António Guterres called on governments to stop building new coal plants by 2020, cut greenhouse emissions by 45% over the next decade and overhauling fossil fuel-driven economies with new technologies like solar and wind. He said the world is facing a grave climate emergency and  even if Paris climate accord promises are fully met, the world still faces a catastrophic 3-degree temperature rise by the end of the century. Guterres urged to halve greenhouse emissions by 2030 and reach carbon neutrality by 2050. He suggested taxing major carbon-emitting industries and polluters, ending the subsidization of oil and gas, and halting the building of all new coal plants by next year. Cutting emissions to zero would be challenging and spell the end of petrol and diesel cars, as well as gas boilers. People will have to fly less, waste less and eat less meat. The average footprint for people in India is 1.73 metric tons; for the industrial nations is about 11 metric tons; worldwide carbon footprint is about 4 metric tons; The worldwide target to combat climate change is 2 metric tons.

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Climate changes: Our house is on fire - Greta Thunberg

Greta Thunberg, 16, Swedish girl

 Greta Thunberg (left) takes part in a ‘school strike for climate’
at the World Economic Forum in Davos, Switzerland. 

Swedish school strike activist Ms. Greta Thunberg, 16, demands economists tackle runaway global warming. Her Davos speech here:

Our house is on fire. I am here to say, our house is on fire.

According to the IPCC (Intergovernmental Panel on Climate Change), we are less than 12 years away from not being able to undo our mistakes. In that time, unprecedented changes in all aspects of society need to have taken place, including a reduction of our CO2 emissions by at least 50%.

And please note that those numbers do not include the aspect of equity, which is absolutely necessary to make the Paris agreement work on a global scale. Nor does it include tipping points or feedback loops like the extremely powerful methane gas released from the thawing Arctic permafrost.

At places like Davos, people like to tell success stories. But their financial success has come with an unthinkable price tag. And on climate change, we have to acknowledge we have failed. All political movements in their present form have done so, and the media has failed to create broad public awareness.

But Homo sapiens have not yet failed. 

Yes, we are failing, but there is still time to turn everything around. We can still fix this. We still have everything in our own hands. But unless we recognise the overall failures of our current systems, we most probably don’t stand a chance.

We are facing a disaster of unspoken sufferings for enormous amounts of people. And now is not the time for speaking politely or focusing on what we can or cannot say. Now is the time to speak clearly.

Solving the climate crisis is the greatest and most complex challenge that Homo sapiens have ever faced. The main solution, however, is so simple that even a small child can understand it. We have to stop our emissions of greenhouse gases.


Either we do that or we don’t.

You say nothing in life is black or white. But that is a lie. A very dangerous lie. Either we prevent 1.5C of warming or we don’t. Either we avoid setting off that irreversible chain reaction beyond human control or we don’t.

Either we choose to go on as a civilisation or we don’t. That is as black or white as it gets. There are no grey areas when it comes to survival.

We all have a choice. We can create transformational action that will safeguard the living conditions for future generations. Or we can continue with our business as usual and fail.

That is up to you and me.

Some say we should not engage in activism. Instead we should leave everything to our politicians and just vote for a change instead. But what do we do when there is no political will? What do we do when the politics needed are nowhere in sight?

Here in Davos – just like everywhere else – everyone is talking about money. It seems money and growth are our only main concerns.

And since the climate crisis has never once been treated as a crisis, people are simply not aware of the full consequences on our everyday life. People are not aware that there is such a thing as a carbon budget, and just how incredibly small that remaining carbon budget is. That needs to change today.


No other current challenge can match the importance of establishing a wide, public awareness and understanding of our rapidly disappearing carbon budget, that should and must become our new global currency and the very heart of our future and present economics.

We are at a time in history where everyone with any insight of the climate crisis that threatens our civilisation – and the entire biosphere – must speak out in clear language, no matter how uncomfortable and unprofitable that may be.

We must change almost everything in our current societies. The bigger your carbon footprint, the bigger your moral duty. The bigger your platform, the bigger your responsibility.

Adults keep saying: “We owe it to the young people to give them hope.” But I don’t want your hope. I don’t want you to be hopeful. I want you to panic. I want you to feel the fear I feel every day. And then I want you to act.


I want you to act as you would in a crisis. I want you to act as if our house is on fire. Because it is.

Greta Thunberg, a Swedish climate activist told world leaders: 

'I don't want you to be hopeful, I want you to panic.
I want you to feel the fear I feel every day and then I want you to act.'
In an impassioned warning to act now on climate change,
Thunberg told her audience at Davos:
'Either we choose to go on as a civilisation or we don’t'