In the present study, a Semi-automated Empirical Methane Emission Model (SEMEM) has been developed and used for estimation of methane from wetlands using MODIS (MODerate resolution Imaging Spectroradiometer) data. The model has two key factors, namely temperature and productivity.

Agriculture must supply all people with enough food to prevent widespread hunger and starvation. However, food security is aggravating day by day, resulting in more number of undernourished/malnourished persons in the world. The ever-increasing population in the developing and less developed countries is also a major constraint.

Hurricane Hannah hit Hiati and Ike struck the Texas Gulf coast, as the Atlantic Ocean continues to churn more storms, leaving people dead and displaced. Back home, it was the overflowing Kosi river that had displaced 25 lakh people in Bihar and 12 lakh in Assam.

Ten capital cities and the Californian government have recently signed up to a greenhouse gas inventory system that will help ciies and regions make deep cuts in their emissions.