Daily Roundup: April 8, 2011

Sticking Point: A Republican-backed motive to limit the EPA's ability to enforce the Clean Air Act is reportedly one of two main points of contention leading to a potential government shutdown. TreeHugger

Speaking of Shutdowns: If the government fails to reach an agreement, environmental services and agencies will suffer as a result. Grist

Probable Cause: After finding oil residue on the corpses of washed-up dolphins, scientists believe that the recent spate of dolphin deaths could be linked to the BP spill. Reuters

Mighty Warm March: The average U.S. temperature last month was 1.4° F higher than the long-term average, which has been measured since 1895. NOAA

Bee Innovative: Scientists are noting a new phenomenon of bees "entombing" their hives to seal off  pesticide-laden pollen. Guardian

--Rosie Spinks