UNESCO appoints Indigenous co-chairs to protect languages and knowledge amid climate crisis "A single word like 'X̱maay' contains generations of climate knowledge, laws, and cultural practices." ...

As the market for floatovoltaics explodes, scientists are studying how to make the systems also work for waterbirds and other ...

The small town Plympton, Massachusetts, eliminated 305 tons of garbage a year by making everyone pay for what they toss.

When you outlaw or discourage the sale of plastic bags, fewer of them end up as litter on beaches.