Laura is the Research Manager/Editor at EHN.
As the world warms, snow cover has been diminishing from the Alps to the Rockies.
Already battered by three years of war, Yemen is in danger of tipping into famine in 2018 if fighting continues to disrupt imports of food aid, aid agencies warned.
Molten salt storage in concentrated solar power plants could meet the electricity-on-demand role of coal and gas, allowing more old, fossil fuel plants to retire.
Chinook salmon, an iconic species in the Pacific Northwest, have lost up to two-thirds of their genetic diversity over the past 7000 years, researchers report.