Millions of abandoned fossil fuel wells could be refitted to provide clean, low-carbon geothermal energy.
We all know we need to eat less meat – here are the hard numbers.
We may trigger hyperwarming that transforms the planet into a hothouse with tropical temperatures and lush forests close to the poles.
The origins of our best drug against malaria have long been a mystery. Meet Tu Youyou, who scoured ancient Chinese medical texts for the cure.
Unsafe injections kill 1.3 million people a year, says former "spoilt brat" Marc Koska, who is on a mission to stop syringe reuse.
When extreme weather strikes, somebody, somewhere always asks about a link to climate change. It's time we gave straight answers.
Giant ribbons of moisture around the globe are behind many floods, and their effects could be amplified by climate change
A claim that global warming caused the 2010 Russian heatwave could bring closer the day when climate victims can sue oil firms.
There's a way to curb carbon emissions without having to wait for governments to forge a global climate deal. (Editorial)
The world could be on the brink of a trade war over European Union efforts to impose carbon charges on the emissions of all planes landing or taking off within the EU.
Forfeiting our commons
The Lancet’s Series on Maternal and Child Undernutrition
President Obama's grand climate plan does not add up
Climate change can no longer be ignored
NGO demands withdrawal of Niyamgiri gram sabha notificatio