I don't need scientist to tell me that we are over polluting our planet. Just look at the cities in China. It's dangerous to breathe the air outside. As far as more co2 and particulates in the air, yes they do retain the heat more. We need to stop putting all the crap into the air we breathe. Put it this way. We all know that if you close up a car in a garage it produces a gas that will kill you. Ok, now look at a cross section of the earth. On a graph like picture, it's a big ball with the atmosphere being this paper thin layer on the outer surface. Sure it may seem like the sky is huge to us, but it is a limited space that we are adding smoke and gasses to. There are smoke stacks and car exhausts all over the planet, pumping out chemicals 24 hrs a day, seven days a week, etc. it is insane to think this is fine and can't have any consequences. It's kind of like pissing in the pool your swimming in. Sure, one kid doing it and it gets thinned out quickly. Now imagine 5000 kids all peeing in it at once. Would you still want to swim, or drink, from it? I also agree that there have been warming and cooling cycles for millions of years. The problem with this is those changes in the past happened slowly over long periods of time. That gave the plants and animals time to adapt to the environment. We are changing the environment much quicker, and that dosent bode well for all the species, including us. I personally don't see this as a terrible thing though. Instead of looking at it as doom and gloom, or all those coal jobs are going to be gone, why not see it as an opportunity to creat new jobs in cleaner technologies? Human beings don't like to change though. We like routine, and I'm afraid we are too ignorant to make real changes until we have real consequences. Just my two cents worth here. Luckily I find peace in two things here. First, I'm nearing the end of my life, not tomorrow hopefully, but within twenty something years or so. So most of the real problems will be after I'm gone anyways. I do however feel for my kids and the next generations. Second, no matter what we do to this planet, we will be gone one day, and give it a few million years or so and there will be no trace of all the pollution and messes we make.
