Increasing levels of carbon dioxide in the atmosphere could be weeding out the bacteria that form the base of the ocean`s food chain and selecting certain strains for survival, a new study has suggested.
Microscopic plastic debris that are released from washing synthetic clothes are accumulating in the marine environment.
Large animals shaped the structure and dynamics of ecosystems.
Exposure to radioactivity has the potential to cause various cancers.
The algae in the oceans has declined over the last century which threatens ocean food chain.
Rising levels of anti-depressants in sea water could upset the vital food chain.
Day in Pics: 30th January
Showbiz World - January 30, 2015