Earth Day began 55 years ago on this date, April 22, 1970, in the United States. The movement was spearheaded by Wisconsin ...

Scientists are worried because they can’t fully explain the big jump, but they think it might mean that carbon absorption by forests, fields and wetlands is slowing down—a major problem for the world.

The earth’s temperature is rising steadily. This global warming can be ignored, perhaps for a long time. However, it cannot ...

But how are carbon dioxide and the greenhouse effect linked? This viewer question comes from Malavika V. in India. Kevin O'Leary on EU willing to go zero-for-zero on tariffs: 'This is the ...

By that time, global temperatures will be a lot higher. Global warming is irreversible. Greenhouse gas emissions, mainly carbon dioxide (CO 2), cause the earth to heat up. These emissions stay ...