Drip irrigation, sun and solar do 'God's work' and a Colombian desert blooms
Hopes are high for new gardens to improve food availability and quality before increasing population causes hunger and malnutrition to spike
European airline chiefs push back against flight shaming, carbon taxes
Airline lobby group says aviation has roughly halved the carbon footprint per flight over the past three decades and is spending billions of euros on more fuel-efficient aircraft
Making waves: Female round-the-world crew to fight ocean plastic
Some marine experts have warned there could be more plastic than fish by 2050
Most big CO2 emitting firms not on track for climate goals -report
Only one in eight of the world's most-polluting companies are on track to reduce their emissions in line with global temperature goals
Britain’s climate advisers slam govt progress, call for urgent action
"I still don't think the enormity of the task has sunk in yet," says Chris Stark, UK Committee on Climate Change chief executive
Global warming threatens to defeat effort to fix world ills, U.N says
Climate change is "the greatest challenge to sustainable development" and threatens to "render many parts of the globe uninhabitable"
Despite funding loss, cities vow to continue resilience push
As funding for 100 Resilient Cities programme winds down, cities say work to cut risks - from floods to refugee flows - will continue
As rains falter, water harvesting quenches Nepal's thirst for irrigation
Government-backed storage ponds are helping farmers face up to unpredictable rainfall linked to climate change
OPINION: We can’t afford not to invest in green affordable housing
Can we meet our aspirations to house our growing population without destroying the environment?
British naturalist warns climate change may bring social unrest
Climate change will bring "major problems that are going to cause great social unrest, changes in what we eat, how we live," says David Attenborough