Climate

MN's greenhouse gas goal flopped. New goal: 'electrify everything'
Ten years ago, lawmakers pledged to cut Minnesota's greenhouse gas emissions 80 percent by 2050. Officials today concede they've barely moved the needle, but they're hoping new technology can reenergize the effort.
Scientists seek holy grail of climate change in Oman's hills
Geologists are coring samples from one of the world's only exposed sections of the Earth's mantle to uncover how a spontaneous natural process millions of years ago transformed CO2 into limestone and marble.