A century ago, biofuels (wood, dung and crop residues) provided the great majority of household energy worldwide. With the advent of fuels such as oil and gas, and the more widespread availability of electricity, the share of household energy from bio-fuels has fallen to around 15%. However, this small percentage hides the fact that around half of the world's population (rising to three-quarters of people in developing countries) still rely on bio-mass energy. This is more so in poor household uses very much less fuel than each wealthy one.

As 70 percent of the agriculture based population lives in villages where  the only accessible source of fuel is wood fuel, cow dung cakes and agricultural waste material like wheat straw, culms of crops left in the field and the twigs of plants which have dried up. Women tread 2 to 5 km to fetch the wood for the household as cooking is their responsibility and women including girls are often subjected to sexual abuse while going for wood collections deep into woods.

Energy Policy Should Maximize Benefits of All Renewable Biomass February 12th, 2010 The new rule announced by EPA last week implementing the federal Renewable Fuels Standard (RFS) takes a major step toward a clean energy future by including forest biomass as a feedstock for transportation fuels. However, any effort to maximize this plentiful source of low-cost, domestically produced biomass is hamstrung by a flawed legal definition that excludes an estimated 90 percent of the nation’s renewable biomass from private forests from the program.

When I was undergraduate student in 1963 the Bharatpur Kevladev Bird Sanctuary, Bhartpur was a reed swap stage ecological formation where some level of water stayed all around the year. Then came one year when for preventing cattle grazers and encroachers firing took place. Then came Panchana dam around one l hundred km upstream that prevented river inflow. Construction of dams, rampant encroachments, greed of tourist agencies who built hotels in the places not to be hotels ( in my openion) caused enormous pressure on ecosystem and it collapsed with some warnings of birds are coming or not coming years. The site was also recognised as Ramser site and enough debates were done Even some projects were submitted but alas there is no replacement of water .

Renowned Indian Agriculture scientist M.S. Swaminathan on Wednesday commended the Indian government's decision to defer the cultivation of the genetically modified (GM) egg plant, Bt brinjal in the country and termed its as a “wise and appropriate decision”. Dr. Swaminathan said that studies should be conducted on this new variety of eggplant before giving it a green signal for mass cultivation.

There are known effects of Promoters used in expression of foreign DNA incorporated into the stranger host of choice but unknown effects of promoters used are not known. A promoter is used for the expression of foreign gene into the body of an organism.
Unforutately only two known sources of genetic biological transformation are based on bacteria and viruses which cause infections under natural conditions namely Agrobacterium and viruses.
In addtion to this physical methods of particle gun etc are less precise.
in all methods  selectable markers most commonly used are based on anitbiotic resistance genese but lately non antibiotic based selectable markers are used which are less harmful