Land development and agriculture are just two uses of natural resources that change and destroy environments that birds need.

VOA: special.2009.05.12

Because the canyon's environments are so different, these species did not spread beyond the canyon, or even far within it.

VOA: special.2009.10.07

The project will help people understand the many threats to the natural environments where endangered plants and animals live.

VOA: special.2010.04.21

Far below sea level, they contain some of the harshest environments on Earth, with no oxygen and no light.

VOA: special.2010.11.10

Darwin's observations showed him that environments can change a little very quickly and a great deal over time.

VOA: special.2009.02.27

Also,only a third of the pictures showed sleep environments considered safe by the American Academy of Pediatrics.

VOA: special.2009.08.26

Scientists know that plants and animals often change to be able to live in extreme environments.

VOA: special.2010.01.04

She was able to take the most recognizable people and environments and make them seem strange.

VOA: special.2009.08.09

And the team says changes in time spent in light or dark environments influences eating habits.

VOA: special.2010.12.21

But he shows in his book that they take place in other environments as well.

VOA: special.2010.02.24

JILL MIKUCKI: "We have a lot to learn from the microbes that survive in these kinds of environments and have adapted to these cold, low-energy systems.

VOA: special.2009.06.03

He studies environments in which bees and other pollinating insects are threatened.

VOA: special.2011.05.25

Today,we will tell about a United Nations warning about Earth's natural environments.

VOA: special.2010.05.25

Other outsider artists use their skills to create entire environments.

VOA: special.2010.04.14

It also has a river, forests and other environments.

VOA: special.2009.09.28

The insects can survive in new and different environments.

VOA: special.2009.05.26

Nine different environments exist within the Everglades.

VOA: special.2009.06.30

The Grand Canyon has several weather environments.

VOA: special.2009.10.07

"There is a growing consensus that we as a nation need to recreate our communities and environments where healthy choices are easy choices and affordable choices. Agriculture Secretary Tom Vilsack -- who has talked about his own childhood struggles with weight -- agrees about the need.

VOA: special.2010.03.17

In other words, my experience I think predisposed me to being interested in the kind of phenomena that people in these extreme and unusual environments encounter. With Shackletons experience in mind, John Geiger started to investigate whether other people facing death or extreme fear had faced similar situations.

VOA: special.2010.02.24