(CNN) -- The shooting deaths of four mountain gorillas -- three females and an alpha male silverback -- are prompting a United Nations agency to send a mission to the Democratic Republic of Congo.

This montage video of Dylan's classic "Masters of War" is chilling when you realize it was written and performed in 1962. The song gives startling evidence that nothing has changed. It's a must-hear and a reminder of who is behind the world's violence.

More than 150 of the 390 national park units in the National Park System are located in areas where air pollution exceeds federal standards. There will also be dozens of coal-fired powerplants that could cloud park skies for generations

On October 9th, the world will use John's birthday and his anthem "Imagine" to call for world peace. While we do so, let's make sure we also remember that we also lost a great man and artist who was much more than an icon and one hit wonder. Listen enjoy

Untreated sewage pouring into the world's seas and oceans is polluting their water and coastlines and endangering the health and welfare of the people and animals that inhabit them, according to a bleak new U.N. report.

The United States government has joined with two environmental groups in a debt-for-nature swap, which will forgive about 20 percent of Guatemala's $108 million in foreign debt to Washington in an effort to help threatened tropical forests.

The habitat of the gorillas has been adversely affected by the production of cell phones since it requires a dull metallic ore known as Coltan. Over 50 zoos will have drop boxes to collect cell phones they will give to a recycling firm to limit mining.

An inspirational story of Annie Kajir, started taking on corporate logging interests at great personal threat, including kidnapping, to fight against New Guinea's deforestation. She has since rose to prominence in the international environmental movement

UP TO 40 new species of plants and animals, including a bird and a tree rat, have been discovered in an expedition to one of the world's last unspoilt wildernesses. Scientists risked their lives with 3 almost being eaten in their exploration.

John Mellencamp and Willie Nelson said that this year's Farm Aid is mostly concerned now with connecting farmers and consumers. In addition to keeping family farms viable they spoke of the need to get kids to eat fresh and healthy food.