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New efforts underway to protect dwindling monarch butterfly population
02:12 
Rare syndrome shown to link tick bites and red meat intolerance
02:59
Immediate action needed to address global warming, according to new U.N. report
02:27
Rob Riggle shines spotlight on the problem with plastic in new doc
05:13
Plastic rocks found on remote Brazilian island are 'terrifying,' scientists say
01:04
Biden admin approves Alaskan oil project despite Democrats' objections
01:44
EPA administrator: 'We are here to stay' at Ohio derailment site
02:45
NTSB: Ohio train derailment was '100% preventable'
05:26
Criminal referral filed in East Palestine derailment, Pennsylvania governor says
01:23
EPA administrator: 'Norfolk Southern will pay for cleaning up the mess they created'
03:55
CEO of Norfolk Southern train company meets with Ohio residents
01:46
Ohio water tested for health risks after train derailment
02:16
EPA Administrator discusses efforts following the Ohio train derailment
07:50
Water safety tops concerns near Ohio derailment site
01:25
Ohio town concerned about air safety after train derailment, controlled chemical release
02:44
Deadline looms for states to agree on Colorado River water cuts
02:09
Leaders at World Economic Forum to face reality of climate change on Swiss slopes
04:42
Greta Thunberg detained while protesting German coal mine
02:23
Miami's 'Harlem of the South' tries to heal from highway scars with green spaces
04:31
City of Scottsdale cuts suburb off from water supply
03:55
Animation Shows Every Oil and Gas Pipeline Incident Since 1986
00:57
Using data from the U.S. Pipeline and Hazardous Materials Safety Administration, the Center for Biological Diversity created this animation showing 621 oil and gas pipeline incidents from 1986 to 2013.May 22, 2015
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New efforts underway to protect dwindling monarch butterfly population
02:12 Rare syndrome shown to link tick bites and red meat intolerance
02:59Immediate action needed to address global warming, according to new U.N. report
02:27Rob Riggle shines spotlight on the problem with plastic in new doc
05:13Plastic rocks found on remote Brazilian island are 'terrifying,' scientists say
01:04Biden admin approves Alaskan oil project despite Democrats' objections
01:44
