Earth Day

Charred, drained or swamped, built up, dug out or taken apart, blue or green or turned to dust: this is the Earth as seen from above.

With climate change, plastic pollution and a potential sixth mass extinction, the future of humanity seems very bleak.

Here are the four successes mentioned most often and a key aspect that so many ecological wins have in common.

President Joe Biden will open a global climate summit with a pledge to cut at least in half the climate-wrecking coal and petroleum fumes that the US pumps out.