Carbon cycle

Fast-moving rivers release more carbon dioxide like humans: Study

Scientists have discovered a surprising similarity between rivers and humans: both release more carbon dioxide when they work hard.

Nov 16, 2015, 20:49 PM IST
NASA steps up efforts to better understand carbon, changing climate

NASA steps up efforts to better understand carbon, changing climate

 So far, half of all all carbon dioxide emissions from the burning of fossil fuels and other sources are getting absorbed by the land plants and ocean.

Nov 13, 2015, 09:40 AM IST

Microbe waste can shed light on Earth's evolution

 Microbe waste may provide a record of how Earth and life co-evolved over the past 3.5 billion years as the planet's temperature, oxygen levels and greenhouse gases changed, scientists say.

Dec 31, 2014, 18:04 PM IST
Ocean microbes a global source of key vitamin B12

Ocean microbes a global source of key vitamin B12

A group of micro-organisms may be responsible for much of the world's vitamin B12 production in the oceans, with implications for the global carbon cycle and climate change, says a study.

Sep 16, 2014, 15:15 PM IST
NASA to map earth forests in 3D

NASA to map earth forests in 3D

The US space agency, NASA, is developing the Global Ecosystem Dynamics Investigation (GEDI) Lidar device to map forests on Earth in 3D and increase understanding of their role in the carbon cycle.

Sep 10, 2014, 11:12 AM IST

Southern Ocean iron cycle provides new insight into climate change

Researchers have found that deep winter mixing, a seasonal process which carries colder and deeper, nutrient-rich water to the surface, plays very crucial role in transporting iron to the surface.

Mar 18, 2014, 10:52 AM IST

Charcoal from wildfires pouring copiously into oceans via rivers

Wild fires not only destroy millions of trees each year but the residue is transported to the sea by rivers which penetrates the carbon cycle, a recent study has revealed.

Apr 20, 2013, 16:03 PM IST

`Twilight` microbes that capture carbon discovered

Mysterious organisms in the dark depths of the ocean are converting carbon dioxide into a form useful for life.

Sep 02, 2011, 22:34 PM IST