We do have a problem but it seems to get blown out of proportion a lot of the time.
A lot of these calims are often just scare mongering. After all it wouldnt be very interesting to say there isnt much of a problem.
My views - Global warming
The Earths temperature and climate has been changing for millions of years and has been hotter before than we could ever make it. The sun is 25% hotter today than when life on Earth begun.
Greens and scientists are always throwing computer models and the like at us. These models have been created, tweaked and worked to show the figues and results they want and that they originally thought of and wanted to predict. They can vary wildly depending on the input given to them and the scientists use them to the best effect they can - for themselves and their theories.
When asked to "predict" past climate changes that have happened these same models pretty much always mess up and get it wrong.
In recent history the earth has been hotter and cooler than it is today (medieval warm period 13th century, little ice age 18th century) and neither of these have anything to do with mans' CO2 generation.
The medieval warm period for example - That actually occurred with no cars or planes spewing out CO2 into the atmosphere. Must have been the metahne from all those cows then

or all those bonfires they had eh. Couldn't possibly have been due to cirsumstances that were nothing to do with man at all could it...??? A big volcanic eruption in a couple of weeks could put the volume of CO2 into the atmosphere that mankind has ever produced burning fossil fuels.
All this Bullshit about the Earth having a fragile ecosystem, just that - bullshit. If it did have a fragile ecosystem it wouldnt have sustained supporting life for hundreds of millions of years even through all the HUGE natural events (we'd call disasters) that have happened, many so big we cant even imagine them. The earth has an amazingly strong and flexable eco system and the impact that man has had is a tiny drop in the ocean compared to what nature has thrown at it. Its not a case of how fragile the Earth and its eco-system is but a lot more to do with how fragile Humans are and how we think we actually matter one bit to the Earth when in fact in the grand scale of things we matter not at all.