We can believe in the future and work to achieve it and preserve it, or we can whirl blindly on, behaving as if one day there will be no children to inherit our legacy. The choice is ours; the earth is in balance.
I flew on Air Force Two for eight years, and now I have to take off my shoes to get on an aeroplane.
I am Al Gore, and I used to be the next president of the United States of America.
I did very extensive diligence on Al Jazeera English, the network from which Al Jazeera America is going to be derived, and it's really very clear that they have long since established a reputation for excellence and integrity and objectivity.
The Bush-Cheney administration had betrayed some basic American values. So there was hunger for change.
If the only tool we use to analyse what's valuable is a price tag, then those things that don't have price tags begin to look like they have no value.
There is the natural tendency that all of us are vulnerable to, to deny unpleasant realities and to look for any excuse to push them away and resolve to think about them another day long in the future.
Surveillance technologies now available - including the monitoring of virtually all digital information - have advanced to the point where much of the essential apparatus of a police state is already in place.
There is an air of unreality in debating these arcane points when the world is changing in such dramatic ways right in front of our eyes because of global warming.
Winston Churchill aroused this nation in heroic fashion to save civilisation in World War Two. We have everything we need except political will, but political will is a renewable resource.
I think that more diversity is a good thing, and fresh points of view articulated by people who are committed to excellence in journalism is a beneficial change in the American media landscape.
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.
I've learned the importance of changing people's minds at the grassroots level so that whoever does run will have a much better chance of encountering public opinion that reaches a critical mass and brings about a change not only in White House policies but in the Congress and in the state legislatures and all around the world.
The ability of big money to shape perceptions - where you have four anti-climate lobbyists for every single member of the House and Senate - is a big factor.
In digital era, privacy must be a priority. Is it just me, or is secret blanket surveillance obscenely outrageous?
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.
The golden thread of reason that used to be stretched taut to mark the boundary between the known and the unknown is now routinely disrespected.
The Bush administration works closely with a network of rapid response digital brownshirts who work to pressure reporters and their editors for 'undermining support for our troops.'
The entire North Polar ice cap is disappearing before our very eyes. It's been the size of the continental United States for the last 3 million years and now 40 percent is gone and the rest of it is going.
If you want your energy bills to go up, you should support an ever greater dependence on foreign oil, because the rate of new discoveries is declining as demand in China and India is growing, and the price of oil and thus the price of coal will go sky high.
