Global warming, climate change, it's a total.
The planetary machinery tends to be jumpy, this is to respond disproportionately to disruptions that come with the manmade greenhouse effect.
Climate change is such a consequential crisis to everybody in the world.
More than any other time in history, the 1990s will be a turning point for human civilization.
We are just about to cross the 400 parts per million threshold.
Concentration of greenhouse gases, especially CO2, have increased substantially since the beginning of the industrial revolution. And the National Academy of Sciences indicates that the increase is due in large part to human activity.
Conventional economic theory. . . counts the depletion of resources as the accumulation of wealth.
Combating climate change requires government policy, and most conservatives hate the idea of more government regulation. Because they hate the prescription, they deny the diagnosis.
Climate change is very real. It is a serious issue it should be treated that way. . . It is not just ours here in Iowa or even in the United States.
I'm not a big believer in man-made climate change.
Of course climate change is real.
Climate change isnʼt a distant threat. Itʼs already changing the way we live.
I don't have much patience for anyone who denies that this challenge is real.
There are probably already too many people on the planet.
There is no high-carbon future
A lot of work and money has been spent on astronomy and yet we have not found life. So we are rare, and rare things tend to be fragile and you have to be careful about them
The antidote to climate change is community.
And now it's your turn - the time to answer the greatest challenge of our existence on this planet is now.
Isn't it time to talk not only about weather, but also about climate?
We're running out of time.
