This study investigated the use of effective microorganisms (EM) for enhancement of biogas production through composting of solid pyrethrum remains after extraction of pyrethrins (marc). The laboratory scale experiment involved composting of the waste as substrate mixed with EM at different ratios consisting of a control, substrate with EM at of 1:250, 1:500, and 1:1000 v/v. Results show highest production of biogas at EM ratio 1:500 v/v, while biogas produced at EM ratio of 1:250 v/v had the highest methane yield.

Carbon emissions from cities represent the single largest human contribution to climate change. Here we present a vision, strategy and roadmap for an international framework to assess directly the carbon emission trends of the world's megacities.

Microbes that convert electricity into methane gas could become an important source of renewable energy, according to scientists from Stanford and Pennsylvania State universities.

A coalition of countries and agencies seeking to curb Earth-warming pollutants like soot released by wood-fired ovens and methane from oil extraction, on Tuesday welcomed seven new members to its f

The U.S.

Commercial sale to be governed by Oil Ministry norms.

Great Eastern Energy Corporation Ltd (GEECL) has been kept waiting for close to two years to receive the environmental clearances required to start survey work at Mannargudi in Tamil Nadu.

Peat bogs are primarily situated at mid to high latitudes and future climatic change projections indicate that these areas may become increasingly wetter and warmer. Methane emissions from peat bogs are reduced by symbiotic methane oxidizing bacteria (methanotrophs). Higher temperatures and increasing water levels will enhance methane production, but also methane oxidation. To unravel the temperature effect on methane and carbon cycling, a set of mesocosm experiments were executed, where intact peat cores containing actively growing Sphagnum were incubated at 5, 10, 15, 20, and 25°C.

More than six months since it has received expression of interests (EoI) from private operators, ONGC now proposes to farm out operating interests in four coal-bed methane assets.

JAIPUR: Climate change, the greatest global challenge, is already a reality for the farmers of Rajasthan. It is increasing the pressure on already scarce resources and if proper measures are not taken, migration towards the cities will soon reach new heights.

According to the Rajasthan State Action Plan on Climate Change (RAPCC) report by the Rajasthan State Pollution Control Board prepared with the help of a multi-disciplinary team of experts from TERI with support from GIZ says, 'enough is already known to start action'. And more than the factual situation the action plan that the report suggests is a writing on the wall for farmers.

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