An unlikely ally may have been found in the fight against the effects of climate change. Fish excretions seem to play a key role in maintaining the ocean's delicate pH balance, says a study that also reveals that there are 2 billion tonnes of fish in the world's oceans.

A range of hybrid vehicles are on tap to enter the U.S. market, with companies planning new releases throughout the next few years.

Within the first days of the 2009 North American International Auto Show's press preview, car makers from around the world have put their green plans front and center, setting bold initiatives and unveiling efficient transports.

What you can do to make your computer use more environmentally friendly

These days, there are more and more options for those of you who want a small wind turbine out in the yard or on your roof. They range from the standard to the somewhat bizarre, and come in sizes that can power several major appliances all the way up to your whole house and beyond. In the right conditions, wind power can be much more economical than other renewable energy options such as solar or geothermal.

Light-powered, bacterial enzyme-containing nanoparticles that release hydrogen from water could lead the way to new strategies for generating the energy-rich gas.

The lack of low-cost ways to create hydrogen gas is one of the main barriers to the dream of economies fuelled by hydrogen not oil.

All the genes that the exotic Tasmanian Tiger inherited only from its mother will be revealed by an international team of scientists in a research paper to be published on 13 January 2009 in the online edition of Genome Research. The research marks the first successful sequencing of genes from this carnivorous marsupial, which looked like a large tiger-striped dog and became extinct in 1936.

Nairobi, Kenya (13 January 2009)—Responding to sub-Saharan Africa's soil health crisis, the International Center for Tropical Agriculture (CIAT) announced today an ambitious new effort to produce the first-ever, detailed digital soil map for all 42 countries of the region.

Google is secretive about its energy consumption and carbon footprint. It also refuses to divulge the locations of its data centres. However, with more than 200m internet searches estimated globally daily, the electricity consumption and greenhouse gas emissions caused by computers and the internet is provoking concern. A recent report by Gartner, the industry analysts, said the global IT industry generated as much greenhouse gas as the world’s airlines - about 2% of global CO2 emissions.

Google is secretive about its energy consumption and carbon footprint. It also refuses to divulge the locations of its data centres. However, with more than 200m internet searches estimated globally daily, the electricity consumption and greenhouse gas emissions caused by computers and the internet is provoking concern. A recent report by Gartner, the industry analysts, said the global IT industry generated as much greenhouse gas as the world’s airlines - about 2% of global CO2 emissions.

Sam Goldman and Ned Tozun are hard at work figuring out how to bring light to the more than 1.5 billion in this world without it.

In 2006, Sam, now the CEO, and Ned, the President, founded D.light Design (www.dlightdesign.com) with the assistance of classmates in an entrepreneurship class at Stanford’s Graduate School of Business.