UK urged not to arrest homeless as rough sleeping hits decade high in London
Eviction from privately rented accommodation was one of the most common reasons people were pushed on to the streets in London
Despite drought, Costa Rica's electricity stays clean - but not cheap
The Central American nation relies on hydropower, but investing in extra capacity to keep the lights on during dry periods has saddled its utility with rising debt
Indonesia to restore 200,000 hectares of peatland this year
Efforts could cut risks that fires blanket Southeast Asia in haze, causing huge economic losses
Retreating Swiss glacier spurred May's new 2050 climate goal
Regular hikes in the Swiss Alps showed Britain's prime minister that climate change is happening
Hotels, firms cut back on water use as taps run dry in India's Chennai
Chennai is one of 21 cities that a government think tank warned last year could run out of ground water by 2020
Electric planes start small as industry wrestles with emissions
An all-electric commuter plane and a small Airbus-backed hybrid are among aircraft programmes being touted at the Paris air show
Emissions need to be halved to avoid 3C warming - scientists
An assessment of 32 nations' climate plans shows only two - Morocco and the Gambia - are ambitious enough to meet a 1.5C warming limit
OPINION: Together we can confront the scourge of rising displacement
In 2018, almost 70.8 million people were forcibly displaced, double that of 20 years ago
South Korea fires up on renewables, to close more coal plants
Facing choking smog and pressure to cut emissions, world's fourth-biggest coal importer is expected to accelerate targets for green energy in an updated 15-year energy plan
Georgia's first pride event kicks off amid tensions, threats
Many fear a repeat of 2013, when a rally against homophobia was broken up by a crowd of priests and thousands of protesters