BURN: Water & Energy

Major Sources of Energy: Their Advantages and Disadvantages

There is no easy answer to what is the best source of energy or electricity. Is the priority reliability, affordability, the economy, international human rights, limiting greenhouse gas emissions, preserving environmental resources, or human health?

 

 

 

 

 

It’s undeniable that today — whether we like it or not — humans…

April 22, 2012 more »

What Is A Nuclear Reaction?

A little bit about nuclear fission and fusion, radioactivity, isotopes, and half-lives.

April 12, 2012 more »

Classifying Radioactivity

How dangerous is radiation? Does it matter what kind it is?

January 27, 2012 more »

Video: A convention of amazingly fast electric cars

August 6, 2011 more »

Water Depends on Energy, Or Is It The Other Way Around?

Energy accounted for almost 40 percent of water use in 2000, according to figures by the National Renewable Energy Laboratory. The United States took more than 400 billion gallons of water out of the ground, lakes, rivers, and reservoirs daily in 2005. That’s more than a thousand gallons per person, per day.

August 5, 2011 more »

Ocean Energy

You don’t have to talk about hurricanes and tsunamis to know that the oceans are powerful. People have dreamed about harnessing their energies for centuries, and today there are many projects worldwide experimenting with just how to plug into the oceans.

August 5, 2011 more »

Petroleum, Natural Gas, and Coal

The world depends on fossil fuels for its energy, and the United States is no exception. The vast majority of U.S. energy — more than 80 percent in 2009 — comes from burning fossil fuels.

August 5, 2011 more »

What is the cheapest source of electricity?

Adding up fuel prices, taxes, power lines, and hidden costs to the environment and human health.

August 1, 2011 more »

Comparing Sources of Energy

An infographic chart of fossils and renewable energy types, comparing costs, sources, and environmental effects.

January 4, 2011 more »

Groundwater, the Water Cycle, and Depletion

Water is created and destroyed in natural chemical reactions within plants and animals. However, most water sticks around. It changes phases through the “water cycle”; it can become polluted with salt, toxic chemicals, or pathogenic organisms. However, it generally doesn’t go away, globally speaking.

November 29, 2010 more »