Two gay men challenge Hong Kong ban on same-sex marriage
Homosexuality has been decriminalised since 1991 in Hong Kong, but same-sex unions are illegal
India disaster exposes lack of enforcement against deadly illegal mines
India's courts have ordered bans on mining various minerals, but it is up to state authorities to enforce them
To halt deforestation, researchers say we must listen to the forests
The use of "bioacoustics" to record, monitor and log background sounds - like animals, insects and human activity - provides data needed for more effective conservation
Solar-pumped water slakes rural Kenya's thirst for development
Access to clean water, driven by solar power, is changing prospects in some of the poorest parts of Kenya
Breakthrough in plant engineering could boost productivity, feed millions more
A new process that adjusts the way crops turn sunlight into energy could boost their yield by 40 percent, scientists say
Concerns over gaps in care as abortion services begin in Ireland
Ireland lifted tight restrictions on abortion from January 1, but fewer than 200 family doctors have signed up to take part
British government accused of 'mishandling' trans healthcare
Transgender people report waiting up to two years for appointments at specialist gender identity clinics
Catch them young: Indian writers tell tales of land rights for kids
"When people are displaced from their land, children are also affected, but perhaps no one explains it to them"
No rest for the dead: Singapore digs up graves for highways
With some 5.6 million people in an area three-fifths the size of New York City, Singapore is running out of space
Brazil farm lobby wins as Bolsonaro grabs control over indigenous lands
The order is a victory for agribusiness but is likely to enrage environmentalists, say experts