The Earth is warming. Here are the top warning signs, according to experts

ABC News | Julia Jacobo
September 29, 2019

The amount of greenhouse gases being emitted into Earth's atmosphere has reached such a high level that it will take major changes around the world to mitigate the effects on climate change, experts say.

Greenhouse gasses such as carbon dioxide, which trap the sun's heat, are the "most significant driver of observed climate change since the mid-20th century," according to the U.S. Environmental Protection Agency. Read More