10 muralists visit as part of Artists 4 Israel project to beautify forgotten areas of the country

Across the world, activists are keeping pressure on governments and companies to do more to protect the environment and fight climate change

'It’s becoming ubiquitous from the equator to the poles and the farthest reaches of the oceans,' expert says. 'And much of it is simply unnecessary'

On Earth Day, a look at the steps human have taken for a cleaner Earth: from healing the ozone hole to fighting smog and encouraging wildlife growth

Foraged greens, clearer birdsong and prime wildlife documentaries: Nature comes into focus on this Earth Day in the time of coronavirus

Major drop in air pollution levels recorded in cities across globe amid pandemic, while animals grow bolder in populated areas due to decline in foot traffic

During 50th annual Earth Day, environmental activists hope to get climate change back on the world's coronavirus-dominated agenda as UN warns no time to lose

In 'Origin Story,' Prof. David Christian offers a big-picture look at Earth, the universe, and everything -- a zoom-out perspective that could just save the planet