The Case for Renewable Energy

New Delhi, One of the most debated topics todayseen renewable energy technologies suchas wind
is the future scenario of energy use. The focus isturbines, solar photovoltaic panels, biomass power
now on a range of technologies that areplants and solar thermal collectors move steadily
expected to emerge in the coming years andinto the mainstream. The global market for
decades. There is universal recognition of the factrenewable energy is growing dramatically; in 2006
that new technologies and much greater use ofits turnover was US$ 38 billion, 26% more than
some that already exist provide the most hopefulthe previous year.
prospects for mitigation of emissions of gasesSupplies of all fossil fuels - oil, gas and coal - are
that threatens our planet.becoming scarcer and more expensive to
The good news, experts agree, is that renewableproduce. Uranium, the fuel for nuclear power, is
energy can deliver half of the world's energyalso a finite resource. By contrast, the reserves
needs by 2050.Some reports show that it isof renewable energy that are technically
economically feasible to cut global CO2 emissionsaccessible globally are large enough to provide
by almost 50% within the next 43 years. Theyabout six times more energy than the world
also agree that commercial production ofcurrently consumes - forever.
renewable energy on large to massive scales isRenewable energy technologies vary widely in
technically possible.their technical and economic maturity, but there
Alongside global warming, other challenges haveare a range of sources which offer increasingly
become just as pressing. Worldwide energyattractive options. These sources include wind,
demand is growing at a staggering rate.biomass, photovoltaic, solar thermal, geothermal,
Over-reliance on energy imports from aocean and hydroelectric power. Their common
fewcountries and volatile oil and gas prices havefeature is that they produce little or no
together pushed security of energy supply to thegreenhouse gases, and rely on
top of the global energy-economy agenda.virtuallyinexhaustible natural sources for their "fuel".
Renewable energy is not a dream for the future -The forecast is that by 2050, 50% of primary
it is real, mature and can be deployed on a largeenergy demand in India will be covered by
scale. Decades of technological progress haverenewable energy sources.