Glacial lake outbursts
Glacial lake outbursts occur when mountain lakes filled with glacial melt water burst through the natural dams that hold them. Such outbursts can can hugely destructive flash floods - but efforts are underway to improve early warning systems.
Singapore's "silent army" of migrant domestic workers
Singapore, one of the richest nations in Southeast Asia, is home to estimated 220,000 foreign domestic workers mostly from Indonesia, the Philippines and Myanmar.
UN climate talks 2015
Negotiations are leading toward a new global deal in Paris in December 2015 to curb climate changing emissions and help poorer nations adapt to climate impacts. Will an ambitious deal be agreed?
Fires and drought
Worsening drought is bringing stronger and more deadly forest and bush fires. What can be done to help?
Rising heat
As climate change takes hold, temperature records are being broken around the world month by month. What does that look like - and how are people responding?
Legal action on climate change
Lawsuits may be one way to slow climate change and hold countries and businesses to their promises to cut emissions. What's happening with these lawsuits - and are they working?