You can also start the seeds in your home or a greenhouse.

VOA: special.2009.04.21

Scientists say Earth's atmosphere acts like a greenhouse.

VOA: special.2010.01.19

In Washington, the Environmental Protection Agency on Monday declared carbon dioxide and other greenhouse gases a threat to public health.

VOA: special.2009.12.12

But he hopes to raise billions through a system in which businesses that release greenhouse gases would buy and trade pollution permits.

VOA: special.2009.02.27

The U.S.D.A.will share the research with other countries in the Global Research Alliance on Agricultural Greenhouse Gases.

VOA: special.2010.01.05

Hoop houses are sometimes called a temporary greenhouse or passive solar greenhouse.

VOA: special.2009.12.22

Agricultural experts blame a number of farm activities for producing greenhouse gases.

VOA: special.2010.01.05

The goal was to reach a legally binding agreement to reduce greenhouse gas emissions, blamed for heating up the atmosphere.

VOA: standard.2009.12.06

In Washington Monday, the U.S.Environmental Protection Agency declared greenhouse gasses a "threat to public health and the welfare of the American people."

VOA: standard.2009.12.09

Mr.Obama and Democrats in Congress are backing a "cap and trade" bill, which aims to cut greenhouse gas emissions 17 percent by 2020.

VOA: standard.2009.05.30

The European Union is at the forefront of a global push to reduce greenhouse gas emissions.

VOA: standard.2009.11.26

The Obama administration has pledged a provisional target of reducing greenhouse gasses by about 17 percent of 2005 levels by 2020 with deeper cuts after that.

VOA: standard.2009.11.26

Greenhouse gas emissions such as carbon dioxide are thought to be a major cause behind rising temperatures that have lead to extreme weather and food shortages.

VOA: standard.2009.09.28

Indiana representative Mike Pence called a proposal by the Democratic party to protect the environment by putting a limit on greenhouse gases " an economic declaration of war."

VOA: standard.2009.06.13

India hopes a massive increase in cleaner nuclear power will help it to check greenhouse gas emissions and cut its dependence on oil, most of which it imports.

VOA: standard.2009.09.29

Late this year, scientists and politicians are to gather in Copenhagen for a key global climate-change summit in an effort to thrash out a consensus on cutting heat-trapping greenhouse gasses.

VOA: standard.2009.03.12

The target pledges by the world's top-two carbon emitters are seen as hopeful signs for progress at Copenhagen, although a final package for global greenhouse gas reduction remains in doubt.

VOA: standard.2009.11.26

Bigger livestock herds are putting greater pressure on land resources and disrupting some ecosystems and the animals generate significant amounts of water and air pollution, including methane, a climate-changing greenhouse gas.

VOA: standard.2010.02.22

The White House says President Barack Obama will attend next month's climate change summit in Copenhagen,Denmark, and will make a provisional pledge to cut U.S.greenhouse gas emissions by 17 percent from 2005 levels by 2020.

VOA: standard.2009.11.26

The main goals of the summit are to agree on targets to cut to greenhouse-gas emissions and to set up a mechanism to provide developing countries with the billions of dollars needed to cope with climate change.

VOA: standard.2009.12.17

China has acknowledged the need to limit its carbon emissions, but argued that greater responsibility falls on advanced industrialized nations like the United States, which produced large quantities of greenhouse gases for decades before China's rise as a global economic power.

VOA: standard.2009.11.26

The addition of Franken will provide the Democrats with 60 votes in the U.S.Senate, giving President Barack Obama and party leaders a better chance of passing controversial legislation such as health care reform and a cap-and-trade bill aimed at curbing greenhouse gas emissions linked to global warming.

VOA: standard.2009.06.30