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Monday, July 04, 2022

carbon dioxide


Telling Numbers: Carbon dioxide levels are now comparable to 4 million years ago

June 07, 2022 1:17 pm

Compared to the 280 ppm before the Industrial Revolution, the currently 420 ppm is 50% higher than those levels.

Explained: Battery-like device that captures carbon dioxide while charging

May 24, 2022 2:13 pm

The supercapacitor device, which is similar to a rechargeable battery, is the size of a coin, and is made in part from sustainable materials including coconut shells and seawater.

Bacteria-rich soil at Kaziranga may be hindering it from acting as carbon sink

February 10, 2022 11:26 am

Photosynthesis -- a biological process in which plants absorb atmospheric carbon dioxide and release oxygen with the help of adequate sunlight -- was getting affected in this park, located in a heavy rainfall zone of the country. 

A science teacher explains: What if there was no carbon dioxide in the air?

February 04, 2022 8:26 pm

As a life force behind photosynthesis, lack of this gas would create a domino effect with the food chain - no living plants and animals would mean no living humans.

Carbon capture and storage: where should the world store CO2? It's a moral dilemma

December 07, 2021 11:31 am

At the current rate of deployment, 700 million tonnes of CO2 storage capacity will be added by 2050 -- 10% of what is required.

World's underground fungal life to be mapped for first time

December 01, 2021 12:53 pm

The world-first map will be used to identify sites with the potential to store more CO2, and withstand changes brought about by global heating.

Greenhouse gas concentrations hit a new record in 2020, says UN

October 26, 2021 2:23 pm

The World Meteorological Organisation reports that greenhouse gas concentrations hit a new record high last year and increased at a faster rate than the annual average for the last decade

Climate change pushes New Zealand to warmest recorded winter

September 06, 2021 4:49 pm

For the three months through August, the average temperature was 9.8 degrees Celsius, which is 1.3 degrees Celsius above the long-term average.

For many, hydrogen is the fuel of the future. New research raises doubts

August 13, 2021 9:38 pm

Today, very little hydrogen is green, because the process involved — electrolysing water to separate hydrogen atoms from oxygen — is hugely energy intensive.

Parts of the Amazon go from absorbing carbon dioxide to emitting it

July 15, 2021 11:15 am

The most affected regions have warmed by 4.5 degrees Fahrenheit during the dry season in the last 40 years, comparable to the changes seen in the rapidly warming Arctic.