“Now, over half of us live in an urban environment. My home, too, is here in the city of London. Looking down on this great metropolis, the ingenuity with which we continue to reshape the surface of...”

“I dont know [why we're here]. People sometimes say to me, Why dont you admit that the humming bird, the butterfly, the Bird of Paradise are proof of the wonderful things produced by Creation? And I...”

“Young people: They care. They know that this is the world that they're going to grow up in, that they're going to spend the rest of their lives in. But, I think it's more idealistic than that. They...”

“I find it far more awesome, wonderful, that creation; our appearance in the world; should be the culmination, or at least one of the latest products of 3,000 Million years of organic evolution, tha...”

“Using his burgeoning intelligence, this most successful of all mammals has exploited the environment to produce food for an ever increasing population. Instead of controlling the environment for th...”

“The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.”

“You will not solve global climate change by hitting the delete button.”

“Given that, and assuming that we begin to adjust to issues like climate change and the greenhouse effect, Denver's location in the center of the country becomes a tremendous advantage.”

“If you can't tolerate the truth, never ask me a question.”

“When we all are already Traveling In Meridian of Earth \/ .... then how it could be possible for us, going back to the previous Meridian without stopping next Meridians !! ... - Tanveer Hossain Mul...”

“The only questions that really matter are the ones you ask yourself.”