I just read this and really thought this to be of great importance. It is not that we didn’t know it, rather that it is being stated against the fossil fuel industries. Please take a look at the whole article.
Global warming has plunged the planet into a crisis and the fossil fuel industries are trying to hide the extent of the problem from the public, NASA’s top climate scientist says.
more info at wecansolveit.org
You may have seen the TV ads from wecansolveit.org. 
Here is a little from their site that should be of interest to us all:
The We Campaign is a project of The Alliance for Climate Protection — a nonprofit, nonpartisan effort founded by Nobel laureate and former Vice President Al Gore. Our ultimate aim is to halt global warming. Specifically we are educating people in the US and around the world that the climate crisis is both urgent and solvable.
I have joined up and started to tell my friends. I believe this is one way we can all make a difference. Please chack it out and ask all your friends to take a look. Together we can make a difference. Let’s sign and show that we do have a voice!! Check out wecansolveit.org
Thank you and let’s make it happen,
Hermosaman
Going green is easier than you think. There are little things you can do every day to help reduce greenhouse gases and make a less harmful impact on the environment. Taking care of the Earth is not just a responsibility — it’s a privilege. In the spirit of Earth Day, HowStuffWorks came up with 10 things you can do to help save the Earth.