Sustainability
-
ClimateGlobal carbon dioxide emissions will hit a record high in 2018
Carbon dioxide emissions from China, the United States and India all rose this year, a new report finds.
-
ChemistryNew devices could help turn atmospheric CO2 into useful supplies
New electrochemical cells transform carbon monoxide into useful chemical compounds like ethylene and acetate much more efficiently than their predecessors.
-
ArchaeologyThe water system that helped Angkor rise may have also brought its fall
A complex water system magnified flooding’s disruption of the medieval Cambodian city of Angkor.
By Bruce Bower -
Materials ScienceThis reflective paint could keep sunbaked buildings cool
A new type of polymer coating that reflects sunlight to control heat could supplement or replace air conditioning systems.