The time zone change in Venezuela is the latest in a litany of emergency measures ordered by President Nicolás Maduro to cope with an acute electricity shortage within a broader economic meltdown and a burgeoning political crisis.
Experts say massive emissions from mega-dams are ignored in impressive targets Brazil announced ahead of Paris climate change talks
Brazil's President Dilma Rousseff says the government will cut illegal deforestation to zero by 2030 and ramp up renewable energy production.
"It's inevitable' that the mussel will populate the river," says one scientist, putting one of the world's most biologically-rich ecosystems at risk and potentially causing havoc for hydroelectric dams.
Tens of thousands of farmers showed up in Guatemala City yesterday to demonstrate against the construction of hydroelectric power plants and the high price of electricity—but they didn't have enough money to stay very long.