SHORE ACRES, Texas (CBS Houston/AP) – A new Gallup Poll indicates that American concerns regarding global warming and climate change are on the rise.

The poll specifically indicates that 58 percent of Americans worry “a great deal” or a “fair amount” about global warming, according to a press release on the polling center’s website.

“U.S. worry about global warming is heading back up after several years of expanded public skepticism,” the release also noted, “[Present concern is] up from 51 percent in 2011 but still below the 62 percent to 72 percent levels seen in earlier years.”

Additionally, 54 percent of Americans feel that global warming has already negatively affected the environment, Gallup learned.

Some experts even feel that the effects of climate change can already be seen in Texas.

While Gov. Rick Perry disagrees with scientists who say global warming is at least partly caused by the human release of heat-trapping gases, state agencies are adapting to weather changes that have already brought a historic drought, higher temperatures and sea level rise that contributed to nearly unprecedented sea surge during a hurricane.

“Are we in a cycle … or is this something more permanent? I don’t think anyone knows for certain,” said Bob Avant, director of bioenergy programs at Texas A&M AgriLife Research Station in College Station.

“But you have to prepare,” he said.

The Gallup Poll was conducted early last month, and involved 1,022 Americans from all parts of the nation.

(TM and © Copyright 2013 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2013 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)

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