We only get one planet.
If we do not act together, we will surely perish.
And now it's your turn - the time to answer the greatest challenge of our existence on this planet is now.
My friends, this body - perhaps more than any other gathering in human history - now faces that difficult task.
For the economy itself will die if our ecosystems collapse.
I have neither the learning nor the experience to know whether the doomsayers are right about the human causes of climate change. But I am willing to acknowledge that people who know a lot more than I do may be right when they claim that it is the consequence of our own behaviour. I assume that this is why the BBC's coverage of the issue abandoned the pretence of impartiality long ago.
Attributing global climate change to human CO₂ production is akin to trying to diagnose an automotive problem by ignoring the engine (analogous to the Sun in the climate system) and the transmission (water vapour) and instead focusing entirely, not on one nut on a rear wheel (which would be analogous to total CO2) but on one thread on that nut, which represents the human contribution.
It is effectively BBC policy to ignore climate change sceptics.
Time is running out to deal with climate change.
Self-evidently, dangerous climate change will not emerge from a normal scientific process of truth seeking.
Climate change now represents so urgent a threat to mankind that the only way to deal with it is by suspending democracy.
I am a global lukewarmist.
The tendency of those committed to the theory of catastrophic man-made global warming to unquestioningly adopt the assumptions, at every stage, that maximise the expectation of calamity should alert us that groupthink is driving the movement.
The simple fact is that, since the beginning of this century, the average global temperature has flatlined; indeed, over the past 18 months it has fallen back, and according to the satellite measurements of temperature, it is now basically back at the level it was in 1979, when such measurements started to be taken.
Scientists would rather change facts than their theories.
Given that we are passing the climate change bill, which is based on the supposition that the climate is getting warmer, let me point out that it is now snowing outside, in October.
For a theory to be scientific it must be capable of being refuted by the evidence. Given that we have had three decades of rising temperature followed by a decade of stable and slightly falling temperatures worldwide, how many decades would you require before you are convinced that the theory on which you are committing £400bn of taxpayers' money might be slightly wrong?
Yes, last year we hit a record number of murders from guns [in Chicago]. And this year we are already outpacing last year's numbers. Now, there are contributing factors that are not under anybody's control and may seem odd, but it is factually true. One of them is actually the weather. There is a dramatic increase in gun violence when it is warmer. And we are having this climate change effect that is driving that.
Climate change is the biggest governing challenge we face. It's the biggest governing challenge I think we've ever faced.
One can see from space how the human race has changed the Earth. Nearly all of the available land has been cleared of forest and is now used for agriculture or urban development. The polar icecaps are shrinking and the desert areas are increasing. At night, the Earth is no longer dark, but large areas are lit up. All of this is evidence that human exploitation of the planet is reaching a critical limit. But human demands and expectations are ever-increasing. We cannot continue to pollute the atmosphere, poison the ocean and exhaust the land. There isn't any more available.
Respect for life and for the dignity of the human person also extends to the rest of creation, which is called to join man in praising God.
Christians, in particular, realize that their responsibility within creation and their duty towards nature and the Creator are an essential part of their faith.
We cannot interfere in one area of the ecosystem without paying due attention to both the consequences of such interference in other areas and to the well-being of future generations.
The most profound and serious indication of the moral implications underlying the ecological problem is the lack of respect for life evident in many of the patterns of environmental pollution.
It is manifestly unjust that a privileged few should continue to accumulate excess goods, squandering available resources, while masses of people are living in conditions of misery at the very lowest level of subsistence.
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