The same is true for how much warming will actually happen, or how much land-based ice and glaciers will melt. But, many powerful industry interests have hindered action and have, largely through surrogatesspread dangerous myths about climate change.
David Biello, writing in the Scientific Americanargues that, because of the need to secure consensus among governmental representatives, the IPCC reports give conservative estimates of the likely extent and effects of global warming. Many of the scientists included in the list demanded their names be removed.
While some new opportunities may emerge from these ecosystem changes, cultural identities and economic and recreational opportunities based around historical use of and interaction with species or natural resources in many areas are at risk.
The largest observed changes in the United States have occurred in the Northeast.
These effects could occur at local, regional, or national scales. Thus, to say that contributing authors or 2, reviewers reached consensus on anything describes a situation that is not reality.
Thousands of studies conducted by researchers around the world have documented changes in surface, atmospheric, and oceanic temperatures; melting glaciers; diminishing snow cover; shrinking sea ice; rising sea levels; ocean acidification; and increasing atmospheric water vapor.
More severe droughts are occurring in others. Differences also exist in the metrics available for observing or projecting different health impacts. Climate change has already had observable impacts on biodiversity, ecosystems, and the benefits they provide to society.
National Academy of Sciences: Many other aspects of global climate are changing as well. The impacts of human-induced climate change are increasing nationwide. Projected increases in wildfire smoke events are expected to impair outdoor recreational activities and visibility in wilderness areas.
Surveys in Geophysics, 32,doi: The time to act is now. Extreme weather and climate-related events can have lasting mental health consequences in affected communities, particularly if they result in degradation of livelihoods or community relocation.
Thousands of studies conducted by researchers around the world have documented changes in surface, atmospheric, and oceanic temperatures; melting glaciers; diminishing snow cover; shrinking sea ice; rising sea levels; ocean acidification; and increasing atmospheric water vapor. Streamflow simulation for continental-scale river basins.
Since the last National Climate Assessment was published, became the warmest year on record globally; surpassed by a wide margin; and surpassed.
Climate change is happening now. The United States and the world are warming, The U.S. Global Change Research Program (USGCRP)—which released the 3 rd National Climate Assessment in May —is at the center of the Federal Government's efforts to fulfill this critical need. Jan 09, · U.S.
Global Change Research Program: Highlights of the Findings of the U.S. Global Change Research Program Climate Science Special Report “Based on extensive evidence, it is extremely likely that human activities, especially emissions of greenhouse gases, are the dominant cause of the observed warming since the midth century.
This report is an authoritative assessment of the science of climate change, with a focus on the United States. It represents the second of two volumes of the Fourth National Climate Assessment, mandated by the Global Change Research Act of mandated by the Global Change Research Act of U.S.
Global Change Research Program. ‘Global warming’ is one facet of the broader term ‘climate change’. It is the increase in the average temperature of the Earth’s surface air and oceans from the midth century, and the projected continuation.
The Global warming is primarily the consequence of building up greenhouse gases. An analysis of the global warming problem As a consequence of many factors, weather has changed in recent years. These changes have been perceived everywhere around the world, and they have prospectively affected many forms of life around the planet.
This website is the digital version of the National Climate Assessment, produced in collaboration with the U.S. Global Change Research Program.An analysis of the us global change research program in global warming