Photojournalist Danish Siddiqui follows the increasingly filthy river from its mountain source to the megacity of Kolkata.
David Sim
Jul 11, 2017
Don't be tone deaf to energy transition concerns of emerging economies, Ben van Beurden tells the World Petroleum Congress.
Gaurav Sharma
Jul 11, 2017
Climate change won't just lead to rising sea levels - it could mean more polluted waters.
Martha Henriques
Jul 11, 2017
The decline of vertebrate populations is so dramatic that they call it biological annihilation.
Léa Surugue
Jul 10, 2017
Beijing's successful 60-day combustible ice mining trial marks a breakthrough in the search for alternative clean energy sources.
India Ashok
Jul 10, 2017
British Pest Control Association names hotspots for rats, wasps, cockroaches and bedbugs.
Staff Reporter
Jul 09, 2017
Traditional sanitary pads don't break down and mostly end up in landfills or the ocean.
Martha Henriques
Jul 07, 2017
Parts of Fukuoka, on the southwestern island of Kyushu, were hit by 593mm (23 inches) of rain in 48 hours.
David Sim
Jul 07, 2017
Deep water corals become fluorescent to promote photosynthesis.
Léa Surugue
Jul 07, 2017
As the seas roll back, magma and carbon dioxide are released from below the surface.
Martha Henriques
Jul 07, 2017
Bear cam is back.
James Tennent
Jul 07, 2017
Environment minister Nicolas Hulot to drive buyers away from internal combustion with financial incentives.
Alistair Charlton
Jul 06, 2017
Parts of Fukuoka prefecture on the southwestern island of Kyushu were hit by 774mm (30.5 inches) of rain in nine hours.
David Sim
Jul 06, 2017
The iceberg on the verge of breaking off from the ice shelf is located in the most rapidly warming area of Antarctica.
India Ashok
Jul 06, 2017
The abrupt transition to a tropical climate would bring its own challenges for Sahel societies.
Martha Henriques
Jul 05, 2017
People who die from air pollution typically lose nine to 11 years of life.
Martha Henriques
Jul 04, 2017
At least 56 people have been killed and another 22 reported missing after swollen rivers broke their banks.
David Sim
Jul 04, 2017
Border collies Summer, Olivia and Das spend their days bounding through charred forests, unaware they're leaving a trail of seeds that could transform the landscape.
David Sim
Jul 03, 2017
Feminised male fish have been found on every continent except Antarctica.
Martha Henriques
Jul 03, 2017
The human race's best chance might be "independent colonies in space", the celebrated scientist said.
James Tennent
Jul 02, 2017
Some scientists believe we are currently in the midst of another mass extinction.
Alex Dunhill
Jun 30, 2017
The revolutionary SUMR50 structure has a 50 megawatt capacity to power 50,000 homes.
James Billington
Jun 28, 2017
A study of why whale populations declined can inform conservation strategies for sharks.
Léa Surugue
Jun 23, 2017
Colonies of mysterious sea creature have suddenly appeared in vast numbers along north west Pacific coast.
Léa Surugue
Jun 22, 2017
Animal rights groups say that the hunting method, known locally as 'Grindarap', must end.
Josh Robbins
Jun 20, 2017
More than 1,000 firefighters and nine water-dropping aircraft are battling the blaze in Pedrogao Grande, which is raging for a third consecutive day.
David Sim
Jun 20, 2017
In 2016, 71 separate cases of whale entanglement were reported.
Léa Surugue
Jun 20, 2017
"This could be pushing monitor lizards towards extinction. There's no doubt that they go through huge suffering".
Martha Henriques
Jun 20, 2017
The end-Triassic extinction event coincided with pulses of volcanism, as shown by mercury levels in sediments.
Léa Surugue
Jun 19, 2017
About 30% of the global population already faces lethal heat for 20 days a year or more.
Martha Henriques
Jun 19, 2017