BP's Deepwater Horizon disaster in the Gulf of Mexico served as a wake-up call for many of us who never before paid attention to the destructive energy projects happening all around the world. But while Deepwater Horizon may have attracted the lion's share of media attention this past Spring and Summer, there are a number of other toxic projects still going on. Below, we look at some of the worst.
Alberta Tar Sands
Alberta, Canada is home to the second biggest recoverable oil reserve in the world: the infamous Athabasca tar sands. But the massive deposit of heavy crude oil (aka bitumen) is under a staggering 54,000 square miles of boreal forest and peat bogs, which are slowly being destroyed by the open pit mining used to recover Alberta's oil. These open pit mining projects also deposit toxic mercury, arsenic, cadmium, and lead into the Athabasca river system, creating "masses of toxic soup ." Suncor Energy, Syncrude Canada, Shell Canada, Marathon Oil, and Chevron are all pursuing projects in the Athabasca sands.
Three Gorges Dam
China's Three Gorges Dam, a hydroelectric dam in the Yangtze river, is world's largest electricity-generating plant. Completed in 2006, the dam has already produced 348.4 TWh of electricity since its inception. But the Dam has its drawbacks--construction displaced 1.2 million people (not the only Chinese water project to displace huge populations ), increased the risk of landslides in the area, and made nearby Shanghai significantly more vulnerable to flooding.
Africa's Biofuel Land Grab
A new kind of colonialism  is quietly taking over Africa as European companies snatch up land to grow biofuels. Major projects are located in countries including Mozambique (over 183,000 hectares allocated for jatropha), Benin (400,000 hectares of wetlands to be converted to oil palm crops), Sierra Leone (Swiss company Addax Bioenergy purchased 26,000 hectares for sugarcane), and Ghana (over 800,000 hectares purchased by international biofuel companies). They're a boon to European nations that want the clean fuel, but these projects also increase soil degradation, trigger the loss of arable land for food, increase food prices, and cause water depletion for local communities.
Sidoarjo Mud Flow
As the result of a now defunct energy project, the largest mud volcano in the world spews out 1 million cubic feet of mud every day, and is expected to continue expelling mud for the next 30 years. The volcano, located in East Java, Indonesia, was triggered by the blowout of a natural gas well drilled by PT Lapindo Brantas. The mud flow is partially controlled by levees, but flooding still affects local towns and highways.
A proposed dam  project in Chilean Patagonia would flood over 15,000 acres of local wilderness and mar the landscape with 1,500 miles of power lines. The $4 billion HidroAysén project, which will consist of five giant dams that bump up Chile's power supply by 20%, could also cause downstream soil to lose fertility and destroy local plant and animal species.
Pavillion, Wyoming's Natural Gas Wells
This small town disaster  is an example of what happens when gas drilling sites go unregulated. Natural gas drilling sites in the Pavillion, Wyoming, area have leeched oil compounds, methane and 2-butoxyethanol phosphate (a fire retardant and plasticizer) into local drinking wells. Residents have even been told to use extensive ventilation when showering so that they can avoid explosions from all the nasty chemicals in their water.
Greenland Gas Drilling
The Deepwater Horizon disaster hasn't stopped oil companies from pursuing other dangerous deepwater drilling projects. Case in point: Cairn Energy's recent discovery of gas off Greenland's west coast. In a statement, Cairn's CEO touted  his "belief in the exploration potential" of the area--but neglected to mention that deepwater drilling in Arctic waters is high-risk because of the remoteness of the drilling sites (the Coast Guard won't be able to send in supplies on the quick like in the Gulf of Mexico, for example).
Appalachian Mountaintop Removal Mining
The Appalachian Mountains of the eastern United States are often subject to mountaintop removal mining, a coal mining technique that slices off soil, wildlife, plants and anything else sitting on top of coal seams. Once the coal has been mined, the top of the mountain is restored. Among the nasty environmental impacts: the destruction of ecosystems, species loss, deforestation, and decreased aquatic biodiversity. Mountaintop removal mining also exposes local residents to airborne toxins.
[Photos by International Rivers (Three Gorges); Flickr/The Sierra Club  (mountaintop removal)]