| Follow us on Twitter |
The U.S. and EU leaders are also expected to sign several economic agreements, including an "open skies" aviation deal aimed at boosting trans-Atlantic commerce.
Mr. Bush has refused to commit the United States to limiting its production of greenhouse emissions, saying it would hurt the U.S. economy.
The 27-nation EU agreed last month to reduce greenhouse gas emissions in Europe by 20 percent by the year 2020.
Scientists say greenhouse emissions are a key factor in climate changes responsible for global warming. - VOA News