A combination of energy-efficient technologies, smart building controls, and the electrification of systems that currently use fossil fuels could play a major role in cutting CO2 emissions.
The National Oceanic and Atmospheric Administration (NOAA) reports that July 2019 was the hottest month on record globally, at 0.95°C (1.71°F) above the 20th century average.
Iceland's first glacier lost to climate change will be remembered with a monument at its former site, intended to deliver a message to future generations.
A new assessment of global tree cover has found 0.9 billion hectares of land available for planting forests. This could store more than 200 gigatonnes of carbon.