Managing savannas by burning has been good for limiting greenhouse gas emissions. Research now shows they're storing more carbon than previously thought.
Despite robust global economic growth over the past two years, worldwide carbon emissions from fossil fuels grew very little in 2014, and might even fall this year.
Researchers have looked beyond the conventional measures of energy consumption to find the latest innovations for energy efficiency in our cities.
CSIRO's Pep Canadell fact checks statements made on ABC program Q&A, 31 August 2015, about what caused US carbon emissions to level off. Reviewed by Allan Layton.