Science and Technology

A genetically modified organism, or GMO, is a living organism whose DNA has been fundamentally altered through genetic engineering. How safe are GMOs, and what are the social, legal and environmental issues surrounding GMO research? Get the facts on genetically modified organisms and GMO foods.

What Are Genetically Modified Foods

What is CFL, and how do compact fluorescent lamps save money? Read this definition of CFLs and learn about the risks of CFL lighting.

Hydraulic fracturing, or fracking, is a method of extracting natural gas from deep underground. But how safe is hydraulic fracturing, and what are the potential risks of this drilling technique? Get the facts of fracking and learn what makes hydraulic fracturing so controversial.

What is biomass energy, and is biomass a practical alternative to fossil fuels and other forms of energy? Discover the many sources of biomass energy, and the advantages and disadvantages of biomass combustion as a source of energy.

Energy-efficient lighting and light bulbs can save consumers money and provide good-quality light. With halogens, CFLs, LEDs, OLEDs, and incandescents available, what are the best options for "green lighting"?

Using alternative fuels is easier than you might think. Here's why making the switch to alt fuels makes sense.

With energy prices continuing to rise, more and more are turning to solar power to heat their water and provide electricity.

Is hybrid technology -- and the accompanying price premium -- worth it to the consumer, or are car companies just marketing to greenies?

A flywheel hybrid (sometimes called a "flybrid") is a hybrid vehicle that uses a mechanical flywheel storage device instead of a battery to accumulate and release braking energy.

Millions of people see wind power as a better way to generate electricity than plants fueled by coal, hydro (water) or nuclear power.

Guide to Energy-Saving Lights

What is DDT? The pesticide DDT is one of the most controversial chemical compounds in recent history, and though DDT is effective at fighting malaria and other insect-born diseases, DDT has been banned in many countries including the United States. Find out more about the history and the effects of DDT (also known as...

The water crisis now gripping some parts of the world is likely to spread, and few nations are prepared for a global water crisis.

What is a greenhouse gas? Discover the link between greenhouse gases like carbon dioxide, the Earth's greenhouse effect, and how these influence global warming and climate change.

The Keystone Pipeline is one of the most controversial environmental and energy issues facing America. Will the Keystone Pipeline, developed by TransCanada Corporation, provide jobs and energy, or will it be a financial and environmental disaster? Get the facts on the Keystone Pipeline, and view a Keystone pipeline map.

Woody biomass is an ancient way to use wood as fuel, and wood is again becoming a popular energy source. Wood pellets, firewood and other plant materials are used for heat in many homes and businesses, and woody biomass is used for heat and energy in many businesses and institutions. Discover other facts about wood fuel and woody biomass as a...

If you're looking for a green app to help you go green, look no further. Here's a list of some of the best green apps for iPhones, iPads, Android smartphones and Blackberry phones. Find your favorite new green app here.

Nuclear energy is one of the most hotly debated energy and environmental issues. What are the advantages and disadvantages of nuclear power plants? And is "nuclear safety" an oxymoron? Get the facts on nuclear energy and decide for yourself.