Is global warming a cyclical event?

While most agree that global warming is occurring, they do not agree on the root cause. Some say global warming is caused by man, mainly by CO2 emissions, while others say it is part of a larger picture of cyclical global warming and cooling events that have occurred throughout history. Unfortunately, the debate is mostly one-sided, with man-made global warming proponents getting most of the media coverage, and the cyclical global warming proponents ostracized and denigrated as false scientists.

A new salvo was launched recently against the man-made global warming side, with the publication of an article by Danish professor Henrik Svensmark, entitled “While the Sun Sleeps”. As the title alludes, Mr. Svensmark believes the sun shows reduced magnetic activity and is about to go into a period of hibernation, which means a period of global cooling will likely begin soon. The full translation of the article from Danish to English is available on Anthony Watts’ blog, and I encourage you to read it. Here’s a quote:

“When the Sun is active, its magnetic field is better at shielding us against the cosmic rays coming from outer space, before they reach our planet. By regulating the Earth’s cloud cover, the Sun can turn the temperature up and down. High solar activity means fewer clouds and and a warmer world. Low solar activity and poorer shielding against cosmic rays result in increased cloud cover and hence a cooling. As the Sun’s magnetism doubled in strength during the 20th century, this natural mechanism may be responsible for a large part of global warming seen then.

That also explains why most climate scientists try to ignore this possibility. It does not favour their idea that the 20th century temperature rise was mainly due to human emissions of CO2. If the Sun provoked a significant part of warming in the 20th Century, then the contribution by CO2 must necessarily be smaller.”

As for me, I’m still on the fence about this, but I’m leaning toward what Svensmark says. It makes more sense to me. While there’s little doubt that the Earth has been warming for the past few decades, that weather patterns are screwed up, and that pollution and emissions are running rampant and must be reduced drastically or eliminated where possible, I’m still not sure we’re behind the global warming phenomenon.

What tilts the balance of my opinion further away from man-made global warming is the face being used for the campaign — that of Al Gore. Try as I might, I can’t stomach the guy. When I think about his claim to inventing the internets, and his electricity-chugging lifestyle (which goes in stark contrast to what he’s saying when he speaks publicly), and his face, which just isn’t the face of a man that should be trusted — I’m sorry, I just have to look for more proof before I believe what he’s got to say. I’m also still in shock that the man got a Nobel Prize for the stuff he talks about — after all, he’s little more than a pusher of carbon credits, which are dangerously close to a green, global Ponzi scheme in my book.

Who knows, I might be wrong about Al Gore — he may be genuine for all I know — and in that case, I hope the agenda he and his supporters are pushing goes through, but right now, I believe global warming is cyclical, and only time will tell for sure who’s right.

More importantly, I believe global pollution must be addressed regardless of who’s right and wrong on global warming. Our environment is on the verge of collapse due to all the crap we’ve been pouring into it since the 1800s. Pollution is a real threat to our survival, as countless studies have shown. Let’s do something about that, right away.

Climate Change Faster Than Expected

An increasingly large amount of peer-reviewed research, published since the IPCC 4th Assessment Report was released in 2007, shows that global warming is happening right now, and that it is quicker than predicted just 2 years ago.

The evidence for this statement is from many areas. Some of the areas showing change are shown below.

-Multiple plants and animals, in widespread sites, are already showing evidence of climate change. Examples include the timing of plant flowering, animal breeding, and lake thawing.

-Increased ocean surface temperatures in Pacific & Atlantic hurricane-formation zones which will lead to stronger cyclones are definitely related to human-induced warming.

-Acidification of the world’s oceans is happening quickly, because of CO2 in massive amounts being dissolved in salty water. This is going to have major changes on marine environments and as a result food supplies for many areas.

-Calculated sea level rise this century will be greater than that calculated just 2 years earlier. It is expected to rise at least a meter, according to new scientific evidence.

-The increased melting of the Greenland ice sheet which began in the summer of 2004 has been definitely related to global warming.

-West Antarctica’s Ice Shelf is undergoing accelerated melting during the last decade and has witnessed ten major ice-shelf collapses in that period of time.

-Arctic sea-ice is melting much faster than previously estimated, and it is almost certain that the Arctic will be ice-free in summer before 2080.

-Arctic Circle permafrost is thawing much faster than recently thought, and is liberating a lot more greenhouse gases than forecast.

The global warming that is now occurring is going to extend for multiple centuries even after all human-released greenhouse gas escape ceases. This is due to the significant inertia that exists in the climate and the delayed decay of carbon dioxide from within the environment.