This is the moment when we must come together to save this planet. Let us resolve that we will not leave our children a world where the oceans rise and famine spreads and terrible storms devastate our lands.

In the case of the environment, there’s no one to bail it out.

I think that once you fully understand the climate and ecological emergencies, then you know what you can do as well. And, of course, there’s a lot of things you can do in your everyday life, but we cannot be focusing on these individual things you can do. We have to see the full picture.

You could warm Mars up, over time, with greenhouse gases.

When the oak is felled the whole forest echoes with it fall, but a hundred acorns are sown in silence by an unnoticed breeze.

It is hard sometimes to always be at the centre of attention, but when you talk about me you also have to talk about the climate.

What is the use of a house if you haven’t got a tolerable planet to put it on?

Even if the economy crashes, we will still burn oil.

The world, we are told, was made especially for man – a presumption not supported by all the facts. A numerous class of men are painfully astonished whenever they find anything, living or dead, in all God’s universe, which they cannot eat or render in some way what they call useful to themselves.

It was the Law of the Sea, they said. Civilization ends at the waterline. Beyond that, we all enter the food chain, and not always right at the top.

Thanks to my mother, not a single cardboard box has found its way back into society. We receive gifts in boxes from stores that went out of business twenty years ago.

We must get rid of fossil fuels by developing injection systems for automobiles, which can run on bio-fuel.

The Apollo program certainly had no real commercial value. It was done for very different reasons and, I think, very good reasons for the time. It’s an extraordinary achievement of mankind, but it wasn’t sustainable.

It’s not as though we can keep burning coal in our power plants. Coal is a finite resource, too. We must find alternatives, and it’s a better idea to find alternatives sooner then wait until we run out of coal, and in the meantime, put God knows how many trillions of tons of CO2 that used to be buried underground into the atmosphere.

If you think in terms of a year, plant a seed; if in terms of ten years, plant trees; if in terms of 100 years, teach the people.

Why should we think upon things that are lovely? Because thinking determines life. It is a common habit to blame life upon the environment. Environment modifies life but does not govern life. The soul is stronger than its surroundings.

Every other civilized nation in the world has been compelled to care for its forests, and so must we if waste and destruction are not to go on to the bitter end, leaving America as barren as Palestine or Spain.

The effects of climate change are real and must be acted on.

People tell me that they are so hopeful when they see me and other children ‚school-striking,‘ and they say, ‚Oh the children are going to save us.‘ But no, we aren’t. We are too young to be able to do that. We don’t have time to wait for us to grow up and fix this in the future.

I just think cities are unnatural, basically. I know there are people who live happily in them, and I have cities that I love, too. But it’s a disaster that we have moved so far from nature.

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? To me, that did not add up.

It isn’t pollution that’s harming the environment. It’s the impurities in our air and water that are doing it.

I’ve actually made a prediction that within 30 years a majority of new cars made in the United States will be electric. And I don’t mean hybrid, I mean fully electric.

If anyone has a vested interest in space solar power, it would have to be me.

Forces that you might think are utterly unrelated to creativity can have a big impact. Technology, obviously, but environment, too. Even financial structures can affect the actual content of a song. The making of music is profoundly affected by the market.

You carry Mother Earth within you. She is not outside of you. Mother Earth is not just your environment. In that insight of inter-being, it is possible to have real communication with the Earth, which is the highest form of prayer.

The environment that we call society is created by past generations; we accept it, as it helps us to maintain our greed, possessiveness, illusion.

I suppose we need not go mourning the buffaloes. In the nature of things, they had to give place to better cattle, though the change might have been made without barbarous wickedness.

If a man walks in the woods for love of them half of each day, he is in danger of being regarded as a loafer. But if he spends his days as a speculator, shearing off those woods and making the earth bald before her time, he is deemed an industrious and enterprising citizen.

Loving people live in a loving world. Hostile people live in a hostile world. Same world.

We could have saved the Earth but we were too damned cheap.

To shake your rump is to be environmentally aware.

The universal utilization of water power and its long-distance transmission will supply every household with cheap power and will dispense with the necessity of burning fuel. The struggle for existence being lessened, there should be development along ideal rather than material lines.

We’ve got to keep our eye on what’s happening with Russia and North Korea. We cannot lose sight of domestic policy, either. Healthcare. Immigration. Climate change.

The reality is gas prices should be much more expensive then they are because we’re not incorporating the true damage to the environment and the hidden costs of mining oil and transporting it to the U.S. Whenever you have an unpriced externality, you have a bit of a market failure, to the degree that eternality remains unpriced.

Blessed are the young for they shall inherit the national debt.

The threat to the planet is us. It’s actually not a threat to the planet – it’s a threat to us.

Life is abundant, and life is beautiful. And it’s a good place that we’re all in, you know, on this earth, if we take care of it.

The most interesting biofuel efforts avoid using land that’s expensive and has high opportunity costs. They do this by getting onto other types of land, or taking advantage of byproducts that aren’t used in the food chain today, or by intercropping.

There must be a reason why some people can afford to live well. They must have worked for it. I only feel angry when I see waste. When I see people throwing away things that we could use.

You carry Mother Earth within you. She is not outside of you. Mother Earth is not just your environment.

Let us not be too particular; it is better to have old secondhand diamonds than none at all.

Some scientists believe climate change is the cause of unprecedented melting of the North Pole, and that effects these very uncertain weather patterns. I think we should listen to those scientists and experts.

People are unaware of what is going on. When I talk to people, they know the basics, they know the planet is warming because of greenhouse gases… but they don’t know the actual consequence of that.

We should all grow our own food and do our own waste processing, we really should.

I remember when I was younger, and in school, our teachers showed us films of plastic in the ocean, starving polar bears and so on. I cried through all the movies. My classmates were concerned when they watched the film, but when it stopped, they started thinking about other things. I couldn’t do that. Those pictures were stuck in my head.

We can’t just continue living as if there was no tomorrow, because there is a tomorrow.

I grew up in an environment where being polite was taken as a weakness. So I just fought everybody.

The situation the Earth is in today has been created by unmindful production and unmindful consumption. We consume to forget our worries and our anxieties. Tranquilising ourselves with over-consumption is not the way.

Obviously Tesla is about helping solve the consumption of energy in a sustainable manner, but you need the production of energy in a sustainable manner.

Climate change is a terrible problem, and it absolutely needs to be solved. It deserves to be a huge priority.

I think my message to the politicians who have within their power the ability to make change is, ‚Do you really, really not care about the future of your great-grandchildren? Because if we let the world continue to be destroyed the way we are now, what’s the world going to be like for your great-grandchildren?‘

We shape our buildings; thereafter they shape us.

War contributes greatly to global warming, which shouldn’t surprise us. All those bombs going off, all those rockets, all those planes and helicopters. All that fuel of various kinds being used. It pollutes the air and water of this very fragile and interconnected planet.

The true cost to the world of a burger is far greater than the money you hand over to buy it.

A State without the means of some change is without the means of its conservation.

Innovations that are guided by smallholder farmers, adapted to local circumstances, and sustainable for the economy and environment will be necessary to ensure food security in the future.

It’s the poorer people in tropical zones who will get really hit by climate change – as well as some ecosystems, which nobody wants to see disappear.

It is really very important while you are young to live in an environment in which there is no fear. Most of us, as we grow older, become frightened; we are afraid of living, afraid of losing a job, afraid of tradition, afraid of what the neighbours, or what the wife or husband would say, afraid of death.

Most Africans don’t get to see these wild animals at all. Once they see and learn about them, they are much more likely to become involved in protecting the environment.

I’ve grown accustomed to hotels and drastic climate change.