Why are blue whales changing the frequency of their songs?
November 30, 2018, 10:29 a.m. by Bryan Nelson
Researchers suspect it could be in reaction to melting sea ice as well as human noise pollution.
Ikea to combat air pollution in India by turning farming waste into home goods
November 26, 2018, 8:21 a.m. by Matt Hickman
While some see agricultural residue to be burned, the retailer sees a viable new renewable material.
Urban air pollution skyrockets as California wildfires burn
November 19, 2018, 12:11 p.m. by Matt Hickman
Air pollution in San Francisco and environs hit an all-time high.
Federal judge halts construction of Keystone XL pipeline
November 9, 2018, 1:39 p.m. by Mary Jo DiLonardo
Days after the spill, Nebraska allows proposed Keystone XL pipeline project to move forward.
Mexico City's garden-lined highway is thriving, but not without criticism
November 9, 2018, 9:14 a.m. by Matt Hickman
Some call it a case of aesthetics trumping actual environmental impact.
This French city is largest in Europe to offer free public transportation for all
October 25, 2018, 8:20 a.m. by Matt Hickman
Dunkirk paves the way for more ambitious schemes in even larger cities.