In the United States of America, unfortunately we still live in a bubble of unreality. And the Category 5 denial is an enormous obstacle to any discu….

To use a Southern euphemism, our space program has been snake-bit..

I would kiss Tipper much longer..

In the age of the internet, with all of its problems, over time, the very fact that individuals can join the conversation creates the opportunity for….

Most people talk as if Miami and Bangladesh still have a chance of surviving: most of the scientists I spoke with assume we'll lose them within the c….

The carbon fuels industry-big oil and coal-have a 50-year lease on the Republican Party and they are drilling it for everything it's worth..

Believe in the power of your own voice..

One tragic example of the loss of forests and then water is found in Ethiopia. The amount of its forested land has decreased from 40 to 1 percent in ….

A zebra can not change it's spots..

Global warming is real and human activity is the main cause. The consequences are mainly negative and headed toward catastrophic, unless we act. Howe….

Our new technologies, combined with our numbers, have made us, collectively, a force of nature.

You can push your local communities to adopt more sustainable sources of energy and environmentally-friendly practices..

Future generations may well have occasion to ask themselves, "What were our parents thinking? Why didn't they wake up when they had a chance?" We hav….

During my service in the United States Congress, I took the initiative in creating the Internet..

...it ought to be possible to establish a coordinated global program to accomplish the strategic goal of completely eliminating the internal combusti….

The fate of mankind, as well as religion, depends on the emergence of a new faith in the future. Armed with such a faith, we might find it possible t….

I would distinguish between Donald Trump and the United States of America. Although he is president, he does not speak for the country on the climate….

I take no pleasure in the fact that the scientific predictions I’ve relayed to popular audiences turn out to be true..

Today I challenge our nation to commit to producing 100 percent of our electricity from renewable energy and truly clean carbon-free sources within 1….

The way to bring gas prices down is to end our dependence on oil and use the renewable sources that can give us the equivalent of $1 per gallon gasol….

The message from Wal-Mart today to the rest of the business community is there need not be any conflict between the environment and the economy. We w….