"Could it be the sun? No the sun is not responsible, the energy output from the sun hasn’t changed for years. It’s now clear that we are changing the climate, the sun isn’t the problem; but it is the solution." -Neil Degrasse Tyson
"Our intelligence and our technology have given us the power to affect the climate. How will we use this power? Are we willing to tolerate ignorance and complacency in matters that affect the entire human family? Do we value short-term advantages above the welfare of the Earth? Or will we think on longer time scales with concern for our children and our grandchildren, to understand and protect the complex life-support systems of our planet? The Earth is a tiny and fragile world. It needs to be cherished." -Carl Sagan