Last 16 days on planet have been hottest on record
Climate scientists alarmed by record-high ocean temperatures
July 4th marked the hottest day ever recorded, as intense heat continues across U.S.
Record heat hits West Coast as AZ set to break record for 110-degree days
Harris challenges Trump to show up to debate: 'If you've got something to say, say it to my face'
A collaboration of scientists is sounding the alarm on climate change
Scientists weigh in on rise of orca attacks on boats l GMA
Scientists discover at least 20 new species in underwater ecosystem
Baltimore officials say 4th of July festivities will be safe following shooting
Extreme heat heading to heartland, as last three weeks mark hottest ever recorded on Earth
