environment
Pollution delays arrival of winter birds?
Environmental experts said that the species diversity and the number of birds have been fluctuating for some years now.
First-ever hybrid bird species from the Amazon discovered
It likely owes its survival as a species on being geographically isolated from its parental species.
Humans have hit maximum limit for lifespan: study
Observing decreasing tendencies may provide an early signal that something has changed but not for the better.
New Graphene-Lime paint can absorb CO2 from your surroundings
The Graphene-Lime paint absorbs Carbon Dioxide in a similar fashion as a tree does.
Video: Waterspout looms over Italian city before ravaging it
Local reports stated that it caused damage to homes, cars and injured at least one person.
Polar bears feast on a whale in the Arctic
The bears had come to feast on the carcass of a bowhead whale that washed ashore, later resting around the food source.
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.
New catalyst developed to recycle carbon dioxide and methane
It is hoped the new catalyst will help make the technology more widely available across industry.
20 years of changing seasons on earth packed into 2½ minutes
It took three months to complete the visualisation, using satellite imagery.
Plants emit 30 per cent more carbon than thought: study
Such increases may lower the future ability of global vegetation to offset carbon dioxide emissions caused by burning of fossil fuels.