A Quote by Carl Sagan

It's perilous and foolhardy for the average citizen to remain ignorant about global warming, say, or ozone depletion, air pollution, toxic and radioactive wastes, acid rain, topsoil erosion, tropical deforestation, exponential population growth. Jobs and wages depend on science and technology.
Climate change and ozone depletion are two global issues that are different but have many connections. In the ozone depletion case, we managed to work with decision makers effectively so that an international agreement called the Montreal Protocol was achieved that essentially solved the ozone depletion problem.
From the cranberry cancer scare of the 1950s to the Alar-in-apples hysteria of the 1980s, from the "new ice age" of the 1960s to the "global warming" of the 1990s, environmental alarms almost always turn out to be false. Few non-political scientists fear ozone loss, global warming, or acid rain. These are just issues that some people hope to use to reorder the lives of the rest of us.
When I was a kid, we never heard of smog, ozone depletion, acid rain, green house gasses.
We are already engaged in World War III. It is a war against nature, and it is simply no contest. As a result, the threat from the skies is no longer missiles but ozone-layer depletion and global warming. Leaders who assert they will not concede one square meter of national territory to an invader should think of the hundreds of square kilometers of topsoil eroded from their countries each year.
The global equalization of wages and the exponential growth in technology has created a job-killing machine that's only going to get worse.
We can drift along as though there were still a cold war, wasting hundreds of billions of dollars on weapons that will never be used, ignoring the problems of people in this country and around the world, being one of the worst environmental violators on earth, standing against any sort of viable programs to protect the world's forests or to cut down on acid rain or the global warming or ozone depletion. We can ignore human rights violations in other countries, or we can take these things on as true leaders ought to and accept the inspiring challenge of America for the future.
Now, I do not, on any level, possess the expertise to argue about the science of anthropological global warming. Nor do you, most likely. This certainly doesn't mean an average citizen has the duty to do the lock step.
We're the ones causing global warming. In fact, what we ought to be saying is population growth is a major cause of it, so I hope to have a T-shirt out very, very soon: Stop global warming, use condoms.
Bring down Mike Mann and we can bring down the IPCC, they reckoned. It is a classic technique for the deniers movement, I have discovered, and I don't mean only those who reject the idea of global warming but those who insist that smoking doesn't cause cancer or that industrial pollution isn't linked to acid rain.
Bring down Mike Mann and we can bring down the IPCC, they reckoned. It is a classic technique for the deniers' movement, I have discovered, and I don't mean only those who reject the idea of global warming but those who insist that smoking doesn't cause cancer or that industrial pollution isn't linked to acid rain.
Today we're dumping 70 million tons of global-warming pollution into the environment, and tomorrow we will dump more, and there is no effective worldwide response. Until we start sharply reducing global-warming pollution, I will feel that I have failed.
There is no science in global warming. "Mr. Limbaugh, that's typical of what you! That's the most outrageous statement I've ever heard anybody ever make! No science in global warming?" Do you know how I know there's no science in global warming, folks? Because they tell us a "consensus of scientists" agrees that X. There is no consensus in science.
The gradual depletion of the ozone layer and the related "greenhouse effect" has now reached crisis proportions as a consequence of industrial growth, massive urban concentrations and vastly increased energy needs. Industrial waste, the burning of fossil fuels, unrestricted deforestation, the use of certain types of herbicides, coolants and propellants: all of these are known to harm the atmosphere and environment.
Our principal constraints are cultural. During the last two centuries we have known nothing but exponential growth and in parallel we have evolved what amounts to an exponential-growth culture, a culture so heavily dependent upon the continuance of exponential growth for its stability that it is incapable of reckoning with problems of non-growth.
Gaia's main problems are not industrialization, ozone depletion, overpopulation, or resource depletion. Gaia's main problem is the lack of mutual understanding and mutual agreement in the noosphere about how to proceed with those problems. We cannot rein in industry if we cannot reach mutual understanding and mutual agreement based on a worldcentric moral perspective concerning the global commons. And we reach the worldcentric moral perspective through a difficult and laborious process of interior growth and transcendence.
The U.S. has a proud history of cleaning up our air through technological innovation. We did it with leaded gas, acid rain and countless other pollutants, and we can do it with carbon pollution, too.
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