Fact #1

140-million-year trend of dangerously decreasing CO2.

The warming effect of each molecule of CO2 declines as its concentration increases

Fact #3

First and foremost, CO2 is plant food.

Fact #4

In the last four ice ages, the CO2 level was dangerously low.

Fact #5

CO2 emissions began accelerating in the mid-20th century

Explore Our Kids Zone!

Under Construction, Come back soon!

Take Our Climate Quiz!

The Great Climate Change Debate is one of the “hottest” issues before the public and policy makers today. How much to you know about the subject? Or possibly, the real question is one attributed to American humorist Will Rogers:

“It ain’t what you don’t know that gets you into trouble. it’s what you know for sure that just ain’t so.”

Find out your Climate IQ by taking our Climate Quiz: the answers may surprise you.

Take the Quiz Now →

Join our effort to build a greener future.