Millions at risk from African famine worsened by Boko Haram -UN
The presence of Boko Haram militants has prevented farmers from planting crops or accessing Lake Chad to water their animals
Groups sue EPA to protect wild salmon from climate change
U.S. fishing and conservation groups sued the Environmental Protection Agency to protect wild salmon threatened by rising water temperatures
California lawmakers release environmental bills in attempt to thwart Trump
California wants to protect federal lands in the state from being sold to oil companies
Arrests among dwindling demonstrators as Dakota pipeline camp cleared
A push by Trump since he took office to quickly complete the $3.8 billion project has dealt a series of setbacks to those wanting to see the pipeline stopped
Wet weather eases California drought
The water has replenished reservoirs and rivers, and recast hills in an emerald green not seen over five years of drought
Arrests among dwindling demonstrators at Dakota pipeline protest camp
Energy Transfer Partners LP said Thursday that 99 percent of the pipeline is complete
Dakota pipeline protest camp nearly empty as holdouts face removal
Focal point for U.S. environmental activists and Native Americans, drawing some 5,000 to 10,000 protesters at the height of the movement
U.N. urgently seeks $4 bln aid to avert famine for 20 mln in Africa, Yemen
Armed conflicts and climate change reasons for the food emergency: $4.4 billion needed by the end of next month "to avert a catastrophe"
Emails show ties between new EPA head, energy firms-watchdog
Emails released by the Oklahoma attorney general's office show a cozy relationship between energy companies and Scott Pruitt
Wooden "plyscrapers" challenge concrete and steel
New, ultra-strong wood materials are creating a small but fast-growing market for timber used to build big, urban blocks