Why biodiversity matters and what the world is doing about it

On December 19, more than 190 countries—excluding the U.S. and the Holy See—signed onto an agreement to protect 30% of land and oceans by 2030 and take 22 other measures to reduce global biodiversity loss this decade.

Things to know about new water rules in California drought

Brown lawns, dusty cars and idle sprinklers loom this summer under Gov. Jerry Brown's mandate to reduce urban water use by 25 percent to get through the drought. The State Water Resources Control Board approved new restrictions ...

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