Earth Day slogans can inspire us to think about environmental issues that impact everyone. We only have one planet and it's ...

For ages, Earth has been known as a blue planet, a vision largely shaped by the vast oceans that cover three-quarters of its ...

The implications stretch far beyond Earth. If green seas once nurtured the rise of life on Earth ... This story originally appeared on ZME Science. Want to get smarter every day? Subscribe to our ...

But Japanese researchers have made a compelling case that Earth's oceans were once green, in a study published in Nature. The reason Earth's oceans may have looked different in the ancient past is ...

New research published confirms the Earth is greening in general, and increased carbon dioxide levels is responsible.

From outer space observatories, one sees Earth’s oceans showing a blue appearance, but this color has never been permanent over their existence. Multiple types of evidence from the past and present ...

Rock The Green is a festival with a purpose. Getting together with like-minded folks who care about sustainability and the earth's future – while having a good time – is healthy for everyone.

The first Earth Day was celebrated in 1970, making this year's festivities the 55th annual festival. For the first Earth Day, ...