Changes

Jack M. Hollander wrote:

Jack M. Hollander wrote:

*The planet has warmed since the mid-1800s, but before that it cooled for more than five centuries. Cycles of warming and cooling have been part of Earth's natural [[climate history]] for millions of years. So what is the global warming debate about? It's about the proposition that human use of [[fossil fuels]] has contributed significantly to the past century's warming, and that expected future warming may have catastrophic global consequences. But hard evidence for this human contribution simply does not exist; the evidence we have is suggestive at best. Does that mean the human effects are not occurring? Not necessarily. But [[media coverage]] of global warming has been so alarmist that it fails to convey how flimsy the evidence really is. Most people don't realize that many strong statements about a human contribution to global warming are based more on [[politics]] than on [[science]]. Indeed, the climate change issue has become so highly [[Politicization of science|politicized]] that its scientific and political aspects are now almost indistinguishable. <ref>[http://goliath.ecnext.com/coms2/summary_0199-2875898_ITM Global Warming: Both Sides] </ref>

*The planet has warmed since the mid-1800s, but before that it cooled for more than five centuries. Cycles of warming and cooling have been part of Earth's natural [[climate history]] for millions of years. So what is the [[global warming debate]] about? It's about the proposition that human use of [[fossil fuels]] has contributed significantly to the past century's warming, and that expected future warming may have catastrophic global consequences. But hard evidence for this human contribution simply does not exist; the evidence we have is suggestive at best. Does that mean the human effects are not occurring? Not necessarily. But [[media coverage]] of global warming has been so alarmist that it fails to convey how flimsy the evidence really is. Most people don't realize that many strong statements about a human contribution to global warming are based more on [[politics]] than on [[science]]. Indeed, the climate change issue has become so highly [[Politicization of science|politicized]] that its scientific and political aspects are now almost indistinguishable. <ref>[http://goliath.ecnext.com/coms2/summary_0199-2875898_ITM Global Warming: Both Sides] </ref>

==Environmentalism and climate change==

==Environmentalism and climate change==