Scientists have been warning about global warming for decades. It's too late to stop it now, but we can lessen its severity and impacts.
We are upsetting the atmosphere upon which all life depends. In the late 80s when I began to take climate change seriously, we referred to global warming as a "slowmotion catastrophe" one we expected to kick in perhaps generations later. Instead, the signs of change have accelerated alarmingly.
More than any other time in history, the 1990s will be a turning point for human civilization.
Canada, more than any nation, will be affected by rising sea levels from global warming.
Wind power, if not properly planned and sited, can harm birds and bats (although Danish studies of 10,000 bird kills revealed that almost all died in collisions with buildings, cars and wires; only 10 were killed by windmills). Alternative energy sources are absolutely necessary. Global warming will kill birds and bats, as well as other species, in much greater numbers than wind power.
Humanity is facing a challenge unlike any we've ever had to confront. We are in an unprecedented period of change.
The failure of world leaders to act on the critical issue of global warming is often blamed on economic considerations.
Most North Americans know that human-caused global warming is real, even if political leaders don't always reflect or act on that knowledge.
If we want to address global warming, along with the other environmental problems associated with our continued rush to burn our precious fossil fuels as quickly as possible, we must learn to use our resources more wisely, kick our addiction, and quickly start turning to sources of energy that have fewer negative impacts.
The truth is, as most of us know, that global warming is real and humans are major contributors, mainly because we wastefully burn fossil fuels.
Faced with the evidence, many deniers have started to admit that global warming is real, but argue that humans have little or nothing to do with it.
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