Pollution
Good night, night: Light pollution increasing around globe
Light pollution is threatening darkness almost everywhere and researchers say this is actually worse.
Light pollution boosted by overuse of energy-saving LEDs
Data shows Earth's night getting brighter, and artificially lit outdoor surfaces growing at pace of 2.2 percent per year from 2012 to 2016.
Need to tackle air pollution? Consider these four air purifiers
Similar to water purifiers becoming a necessity, air purifiers are also inching towards becoming a must-have gadget for every household.
Pakistan indifferent to pollution, smog killing scores more than years of militancy
As the smog peaked in recent weeks, roughly 1,000 new patients were treated each day for respiratory issues.
Air pollution puts men and women at higher risk of infertility
Air pollutants cause defects during gametogenesis leading to a drop in reproductive capacities in exposed populations.
Global carbon pollution rises after three straight flat years
Preliminary figures project that worldwide carbon dioxide emissions are up about 2 percent this year.
Climate change pushing Earth toward risky 'tipping points': report
Scientists say that threshold is higher and climate change is here. It is dangerous and it is about to get much worse.
Doctors urge people to wear N90 masks as protection against toxic Delhi smog
Rising levels of air pollution in national capital can cause cancer and heart disease.
Centre, states must come together, says Delhi CM Kejriwal
Mr Kejriwal said banning entry of trucks, construction activities and introducing odd-even is not the solution to high pollution level.
Air purifier makers breathe easy in pollution
Air purifiers makers like Blueair, Eureka Forbes, Panasonic India and Sharp are betting big on the season.