Once embraced by cities for its beautiful white flowers, disease resistance and ability to grow just about anywhere, the Callery pear is now considered a nuisance due to its smell and invasive nature.
Early next month, California plans to finalize its emergency water conservation plan. Cities are under the gun to cut their water usage from anywhere between 15 and 40 percent.
The newly discovered chamber is 4.5 times larger than the shallow reservoir already known and contains enough partially molten rock to fill the Grand Canyon 11 times.
The U.S. Geological Survey issues a report Thursday on quakes linked to oil and gas drilling, but Oklahoma has said that the industry's wastewater disposal is the cause. What's unknown is a solution.
In Michigan's orchard country, extreme heat and cold can mean disaster for fruit growers. Now some are using a new twist on old technology to fool trees when sudden, unexpected weather changes occur.
"Climate change can no longer be denied," Obama said. "It can't be edited out. It can't be omitted from the conversation. And action can no longer be delayed."
Two new studies published in the journal Nature point to a connection between a class of insecticides known as neonicotinoids and a decline in bee health. What's bad for bees is bad for crops, too.
NPR remembers Julian Koenig, the longtime adman who coined some of the catchiest phrases in the business and named Earth Day.
NPR's Melissa Block speaks to Brian Deese, President Obama's senior adviser in charge of climate policy, about the Obama administration's push for new restrictions around power plant emissions.
Impatient gardeners don't have to wait for summer to harvest salad fixings. A surprising variety of crops will bring homegrown produce to your table in as little as three weeks.