alternative fuels
could jet fuel made from sewage take off?
Science
Dr. Sarah Adams
Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with ...
UN climate talks near end of first week with progress on some fronts, but fossil fuels lurk
Science
Dr. Sarah Adams
DUBAI, United Arab Emirates (AP) — Negotiators at a critical United Nations climate conference prepared Wednesday to wrap up their first week ...
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