Whether or not I tour forever, I'm not sure. I would love to spend more time living in harmony with nature rather than flying all over the world and contributing to global warming, you know what I mean?
This was the moment when the rise of the oceans began to slow and our planet began to heal.
A total population of 250-300 million people, a 95% decline from present levels, would be ideal.
Pollution and the exhaustion of natural resources depend and will depend in the future on the absolute level of total economic activity. This means that is necessary to restrain both the rate of growth of population and, at least in the developed countries, the rate of growth of consumption per head.
Putting aside for the moment the question of whether human industrial CO2 emissions are having an effect on climate, it is quite clear that they are raising atmospheric CO2 levels. As a result, they are having a strong and markedly positive effect on plant growth worldwide. There is no doubt about this.
The key to understanding overpopulation is not population density but the numbers of people in an area relative to its resources and the capacity of the environment to sustain human activities; that is, to the area’s carrying capacity. When is an area overpopulated? When its population can’t be maintained without rapidly depleting nonrenewable resources.... By this standard, the entire planet and virtually every nation is already vastly overpopulated
The nation that destroys its soil destroys itself.
My job, personally, is to do as much as I can to spread the warning that if we're not careful, it will end. The problem is, we don't think beyond our immediate needs.
The consensus is clear. We need an immediate and determined shift to a clean, renewable economy. The continued mass burning of fossil fuels is inconsistent with a healthy, prosperous future for our civilization.
There are two major challenges before Indian agriculture today: ecological and economical. The conservation of our basic agricultural assets such as land, water, and biodiversity is a major challenge. How to make agriculture sustainable is the challenge.
It's important that we take care of our future generations and expose them to some new things.
Why are vegans made fun of while the inhumane factory farming process regards animals and the natural world merely as commodities to be exploited for profit?
The earth is warming at an alarming rate, we are running out of fossil fuels, and it is long past time for us to take action to correct these problems.
People are beginning to realize that we need to live in accordance with the law of ecology, the law of finite resources, and if we don't, we're going to go extinct.
Population needs to be stabilised for sustainable development.
I drive a hybrid, moving into an electric car. I only drink tap water, never consume food that's travelled.
Despite the dazzling successes of modern technology and the unprecedented power of modern military systems, they suffer from a common and catastrophic fault. While providing us with a bountiful supply of food, with great industrial plants, with high-speed transportation, and with military weapons of unprecedented power, they threaten our very survival.
We have extracted from the land from the moment we stood on two feet. We are working to supply the kinds of materials that are necessary for the lives we've built for ourselves.
The planet will survive. Whether we get to be here and enjoy it, or enjoy life as we've known it, is what's questionable.
We can't continue to take from our planet the way we do and not give anything back, and the idea of, 'Oh, but it's fine, I won't have to deal with it in my lifetime,' well, you need to think about the future generations who will have to deal with it.
Despite widely differing perspectives and agendas, there seems to be a remarkable global consensus that has built up over a fairly short period of time that climate change and ecology is one of the truly defining issues for humanity.
So, the world is fine. We don’t have to save the world—the world is big enough to look after itself. What we have to be concerned about, is whether or not the world we live in, will be capable of sustaining us in it. That’s what we need to think about.
I'm reasonably optimistic about the future, especially the future of the United States - for the century, at least.
Land is a great example of how we can manage and invest in sustainable infrastructure for economic, social, and environmental gains. Its use - and misuse - is at the heart of the challenge for food, fuel, and fibre.
You can't just do one of the things, because it won't be enough to combat the climate change that we're already starting to experience. It will only get worse.
