Add Yahoo as a preferred source to see more of our stories on Google. As the world shut down due to COVID, causing less traffic like trains, planes and automobiles, scientists expected the planet to ...

A swampy area with plants growing from a large pool of brown water. Changes in the atmosphere’s ability to breakdown methane combined with increased methane emissions from wetlands in the tropical ...

A detailed exploration of the most sweeping government border closures in human history during the COVID-19 pandemic and the implications for the future of global mobility.

As the Chinese public’s frustrations about zero-COVID policies mount, health experts are learning about the approach's pros and cons.

As the world shut down due to COVID, causing less traffic like trains, planes and automobiles, scientists expected the planet to get a break from harmful pollutants like nitrogen dioxide and methane.