Solar Energy

Reply filed by the state of Odisha regarding increasing instances of high energy swell waves, May 1, 2025

Reply filed by the Director, Environment-cum-Special Secretary, Forest, Environment and Climate Change Department, Odisha and Member Secretary, Odisha Coastal Zone Management Authority, May 1, 2025. NGT, had registered suo motu in response to the news item in the Hindu, May 4, 2024 titled "Swell waves likely to strike coastal areas …

Targets or diktats?

At Renewables 2004, "an international action plan will be on the agenda, including actions and commitments by governments, international organisations and stakeholders," says the conference announcement document. "The conference outcome will include arrangements for a follow-up and a mechanism to share information on progress in implementing the international action plan." …

Solar treatment

a simple innovation might bring respite to those struggling to manage medical waste in an ecofriendly manner. Vikrant Chitnis, a senior research fellow at Indore-based Choithram Hospital and Research Centre, has developed a system that disinfects medical waste by exposing it to the sun's rays (which are capable of destroying …

Bytes

profiling the menace: Researchers have taken snapshots of the ever-changing protein profile of Plasmodium falciparum

Levy plan scuttled

Solar energy users in California emerged victorious when the state Public Utilities Commission (puc) exempted them from paying an exit fee for leaving the state grid and generating their own power. The puc agreed to exempt many types of small renewable methods of self-generation of power by customers of utility …

Jaswant Singh keeps up the tokenism

breaking with tradition, Union finance minister Jaswant Singh chose not to conform to the two-part format while delivering his maiden budget speech on February 28. But there was no departure from practice in this year's Union budget as it was at the end of the day another populist document. No …

Renewable spirit and purer energy

"Om Shanti (peace).' That's how members of the sister spiritual organisations

Arctic ice

due to rising temperatures, perennial sea ice in the Arctic is melting faster than previously thought

Cashing in on solar power

Automated Teller Machines (atms) and solar energy. Now that's a unique combination! If all goes well as planned, the next generation atms in India could be solar powered or battery operated

Tall strides

By being home to the world's first solar tower, Australia is scaling new heights in its quest for tapping renewable energy resources. The one-kilometre-high structure would generate electricity to cater to a population of more than 0.2 million people. It will heat air at its base through the use of …

Prepaid cards for unlimited electricity

insert a card and get electricity. This is the new mantra of the West Bengal Renewable Energy Development Agency (wbreda). Known for its innovative methods of promoting renewable energy, the agency has come up with yet another unique way to provide power to the Maushuni islands in the Sunderbans. The …

Unmasking aerosols

A P Mitra couldn't believe it. He along with 200-odd scientists from India, Europe, Maldives and the us was conducting an intensive six-week field experiment in 1999 to study the effect of airborne tiny particles called aerosols on climate. The tropical Indian Ocean, where clean air from the southern Indian …

Widespread web

RAINFALL Aerosols may be reducing rainfall and threatening the Earth's fresh water supplies, according to the Scripps Institution of Oceanography, San Diego. "Initially we thought that aerosols were mainly a cooling agent, offsetting global warming. Now we find that these have a big impact on the water budget of the …

Picture imperfect

Scientists are yet to unravel all the mysteries about the tiny and yet complex three-dimensional particles. Key details about their properties and their effects remain elusive. So far, it has not been possible to make reliable measurements to determine their distribution and properties on a global scale. Large uncertainties remain …

Renewable policies

the biggest barrier to commercialisation of renewable energy in the country remains political apathy. Our non-conventional energy programme, when it began way back in 1980, was lauded, particularly for the system of subsidies and tax benefits. In fact, India's solar energy programme ranked among the largest in the world. Today, …

Don`t fry the planet

A protest against globalisation took a unique turn, on the eve of the G-8 summit. It was a demonstration against G8 nations' support for an oil economy and refusal to fund non-conventional energy development. Greenpeace activists gathered in Calgary, and served the people organic French fries cooked with solar power. …

Solar Blast

Scientists have always thought that the Sun was the most dependable body in the heavens. But with a new peak in solar activity, researchers are discovering a frightening new face of our star. As a raging ball of super-heated plasma and gas, the Sun can be violent and erratic. Researchers …

Clean switch over

The proposed 140 megawatt (mw) integrated solar combined cycle (iscc) power plant, coming up in Mathania near Jodhpur in Rajasthan, has already undergone many changes (see: Down To Earth, Vol 9, No 24, May 15, 2001). Now it is going in for a fuel switch-over. The Rajasthan State Power Corporation …

Energising renewables

Keeping in mind the enormous potential of renewable energy in India and given the government's target to electrify 18,000 villages, two crucial issues need to be addressed. There is an urgent need for the government to come out with a policy on renewable energy. Today, whatever little is invested on …

Ecology over economics

LESTER Brown, founder of Worldwatch Institute, recently published the book 'Eco-Economy' - an ambitious and broad sketch of a new global economy that prioritises the ecological imperatives of our time. Brown refers to Thomas Kuhn who, to recapitulate, is the philosopher of science who made 'paradigm shifts' famous. It is …

Australian Band Labrats`s Solar Music `Combat Wombat`

IN THE midst of the Australian desert, a group of musicians play live music powered by a solar power system. The large images projected on the screen are operated by a wind power system. The truck in which they travel from forests to deserts runs on vegetable oil. That is …

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