Articles by Grist staff

Grass Backwards

Carbon dioxide contributing to un-grassing of grassland, says new study Thanks in part to rising levels of carbon dioxide, the world’s grasslands are turning into woody shrublands, says a new study by the U.S. Department of Agriculture. When researchers artificially doubled CO2 levels over sections of the Colorado plains, they observed a fortyfold increase in […]

Just the Ticket

Paper airline tickets soon to go extinct By the beginning of next summer, paper airline tickets will be a thing of the past for its airlines, the International Air Transport Association announced this week. The relevant stats: The IATA represents more than 240 airlines, which together operate 94 percent of international flights; 84 percent of […]

The Climate Got Me High

NOAA scientists say near-record U.S. temps in 2006 due to climate change Scientists from the U.S. National Oceanic and Atmospheric Administration said yesterday that the near-record annual average temperature in the Lower 48 states in 2006 was due to greenhouse gases and not to the weather phenomenon El Nino. By perusing weather records the researchers, […]

A Playg on the Playground

Green group finds some New Orleans playgrounds contaminated with arsenic Some playgrounds and schoolyards in New Orleans may be contaminated with high levels of arsenic swept in by Hurricane Katrina, according to soil samples taken by the Natural Resources Defense Council. Government agencies, which have taken about 2,000 soil and sediment samples in the city, […]