Bush said his administration will fully fund high priority areas for scientific research into climate change over the next five years, and help developing nations to match the U.S. commitment.

CNN: Bush offers alternative environmental plan

Testing for HIV remains a top priority, and thanks to ongoing scientific advancements, finding out your HIV status has never been easier and treatment is more effective than ever.

WHITEHOUSE: The White House

"For me, the priority is not to try and determine with scientific precision exactly how much is going to be needed to cover the cost of adaptation in 2030, " he said.

BBC: Climate protection 'to cost more'