"If your sludge has value, why throw it in the garbage can?" Researchers explore ways to extract highly sought cobalt, nickel and rare earths from coal mining waste.
Prime Minister Viktor Orban has promised voters to keep energy prices low. The dividends from taking Russian fuel also help fund the policies that have made Hungary a beacon for right-wing groups.
Skiing, hiking and dogsledding will never be the same in Svalbard, Norway, which has warmed more than twice as quickly as the rest of the Arctic. The islands may be isolated, but the changes aren’t.
