Reducing and reusing take nothing more than a rethink on the way we shop, and using our imagination with the things that we might once have considered junk.

The future belongs to those who understand that doing more with less is compassionate, prosperous, and enduring, and thus more intelligent, even competitive.

The real tight interface is between the book and the reader-the world of the book is plugged right into your brain, never mind the [virtual reality] bodysuit.

At first I thought I was fighting to save rubber trees, then I thought I was fighting to save the Amazon rain forest. Now I realize I am fighting for humanity

Justin Trudeau certainly understands climate science, as do his ministers. But they're refusing to take action on it because of short-term political concerns.

I founded Friends of the Earth to make the Sierra Club look reasonable. Then I founded the Earth Island Institute to make Friends of the Earth seem reasonable.

What happens when the guy who runs the reactor gets out of bed wrong or decides, for some reason, that he wants to override his instruction sheet some afternoon?

The only thing we're interested in as Greens is making sure that we are protecting Canada from an imminent threat and that imminent threat is the climate crisis.

The citric acid in lemon juice makes it perfect for bleaching, disinfecting and cutting through grease. And olive oil is a great alternative to furniture polish.

I imagine a certain amount of consumer impulse will be replaced by community connection. You can already see it starting with things like the local food movement.

The popular notion is that Americans are addicted to fossil fuels, but I find that's not true; most people would be happy to power their lives with anything else.

An Ice Age is coming and I welcome it as much-needed changing. I see no solution to our ruination of earth except for a drastic reduction of the human population.

As we get sucked more and more into the technosphere, we become less and less capable of understanding it because it becomes a technological milieu that we're in.

Individual actions are important because in any democracy, citizens need to feel agency. If you feel powerless, totally powerless, it's psychologically dangerous.

What we are finding out now is that there are not only limits to growth but also to technology and that we cannot allow technology to go on without public consent.

The reality is that Rachel Notley's adherence to pipelines and exporting raw bitumen doesn't make sense for Alberta's economy and it doesn't make sense for Canada.

The United States prides itself on being the richest country in the world. Yet we can't balance the budget, pay for education, or take care of the aged and infirm.

There are a lot of irritating aspects about large supermarkets for the wannabe eco-warrior, but the one that gets most of us hottest under the collar is packaging.

Between [Speaker of the House] Paul Ryan, [Senate Majority Leader] Mitch McConnell, and Donald Trump's team, I don't see a lot of openings for making real progress.

We choose the national park idea because it's really the highest form of protection for landscapes that exists under current law, especially in Chile and Argentina.

It is unbelievably sad and ironic that the first victims of global warming are almost all going to come from places that are producing virtually none of the problem.

[Kids] will grow up into a world that's difficult and wonderful, and they'll make the best of it they can, and hopefully help turn it in the best possible direction.

On the top of these mile thick slabs of ice the water is percolating quickly to the base and greasing the skids, as it were, for the slide of that ice into the ocean.

It is absolutely imperative that we protect, preserve and pass on this genetic heritage for man and every other living thing in as good a condition as we received it.

You can blame people who knock things over in the dark or you can begin to light candles. You're only at fault if you know about the problem and choose to do nothing.

I will say this, - though: If it is true that fusion will put unlimited amounts of energy into our hands, then I'm worried. Our record on this score is extremely poor.

For those of us (those that have the desire to explore the world unknown) that grew up going out into the wilds of the world...we got into our souls a sense of beauty.

I think the world on the other side of fossil fuel is more local - the logic of sun and wind is diffuse and spread out, not concentrated like the logic of coal and oil.

If the movie had ended in Hollywood fashion, the Copenhagen climate conference in 2009 would have marked the culmination of the global fight to slow a changing climate.

Politics is democracy's way of handling public business. We won't get the type of country in the kind of world we want unless people take part in the public's business.

I was actually telling people that - by harnessing the atom - we could enter a new era of unlimited power that would do away with the need to dam our beautiful streams.

Today, more than ever, we need political leaders who can see the big picture, who understand the relationship between the economy and its environmental support systems.

Gadgets - our houses are filled with them: ones we need, ones we think we need, and others that were a good idea at the time, but have never made it out of their boxes.

Andrew Scheer talks about an energy corridor. So do I, but his corridor is for pipelines and mine is an electricity grid that's running 100 per cent on renewable energy.

If an economy is to sustain progress, it must satisfy the basic principles of ecology. If it does not, it will decline and eventually collapse. There is no middle ground

Nations are in effect ceding portions of their sovereignty to the international community and beginning to create a new system of international environmental governance.

I certainly know that the NDP and the Liberals talk about understanding climate science; they just haven't put forward anything that suggests they actually understand it.

Ordinary people need to lead and not sit there and think that governments are going to spoon-feed them and look after them and look after the country, because they won't.

I stick to stuff I'm pretty sure of and I know this: when the price of a barrel of oil is under $80 a barrel and you build a pipeline, you are driving up greenhouse gases.

There's a lot of propaganda that contaminates a discussion around what we should do about pipelines, how our economy may or may not be dependent on exports of raw bitumen.

Only caring individuals can restore the places we inhabit. The 'simple act of planting a tree' not only restores the places we live, but makes us whole and powerful again.

Probably nothing that we have ever managed to do quite equals the basic undermining of the physical stability of the planet on which most of the world's poor people depend.

Stop thinking about global warming as a future threat and understand it instead as a present emergency, one that requires a far stronger policy response than we'd imagined.

There's no happy ending where we prevent climate change any more. Now the question is, is it going to be a miserable century or an impossible one, and what comes after that.

I think that some of it is electoral - helping candidates that are willing to take dramatic actions, not just to say a few words about how climate change might be a problem.

All the science in the last few years, or almost all of it, really serves to show that the [climate] effects are larger and more rapid than we had thought even a decade ago.

Very few people on earth ever get to say: 'I am doing, right now, the most important thing I could possibly be doing.' If you'll join this fight that's what you'll get to say

We are into the opening stages of a human-caused biotic holocaust-a wholesale elimination of species-that could leave the planet impoverished for at least five million years.

There's a part of all of us whose impulse is to say, "Let's keep everything the same until I die and then you can do whatever you want afterward." And that's a difficult part.

Our environmental problems originate in the hubris of imagining ourselves as the central nervous system or the brain of nature. We're not the brain, we are a cancer on nature.

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