Airplane travel is nature's way of making you look like your passport photo.

— Al Gore

As human beings, we are vulnerable to confusing the unprecedented with the improbable. In our everyday experience, if something has never happened before, we are generally safe in assuming it is not going to happen in the future, but the exceptions can kill you and climate change is one of those exceptions.

— Al Gore

As I have said for many years throughout this land, we're borrowing money from China to buy oil from the Persian Gulf to burn it in ways that destroy the future of human civilization. Every bit of that has to change.

— Al Gore

A zebra does not change its spots.

— Al Gore

China has led the world in new tree planting; in fact, over the last several years, China has planted 40 percent as many tresses as the rest of the world put together. Since 1981, all citizens of China older than age eleven (and younger than sixty) have been formally required to plant at least three trees per year. To date, China has planted approximately 100 million acres of new tress. Following China, the countries with the largest net gains in tress include the U.S., India, Vietnam, and Spain.

— Al Gore

Civil disobedience has an honorable history, and when the urgency and moral clarity cross a certain threshold, then I think that civil disobedience is quite understandable, and it has a role to play.

— Al Gore

Consider what kind of car you get. Buy cars and other products that have the least impact environmentally.

— Al Gore

Here’s the solution. We need a CO2 tax, revenue-neutral, to replace taxation on employment, which was invented by Bismarck — and some things have changed since the 19th Century.

— Al Gore

If we don't succeed, we run the risk of failure.

— Al Gore

I have faith in the United States and our ability to make good decisions based on the facts.

— Al Gore