Anthropogenic Factors Quotes

...99 percent confident that the world really was getting warmer and that there was a high degree of probability that it was due to human-made greenhouse gases.

… there is little evidence as to how it has come about, and no clear proof that the process is continuing in any considerable degree at the present time.

There is no doubt that we should take solar radiation into account. We have seen ground temperatures rising since 1975, and it is important to know to what extent that has been caused by the sun or by carbon dioxide.

As the country continues to dissect the recent natural disaster, we might want to start considering what about the disaster wasn't actually 'natural' at all. ... Human activity, the burning of fossil fuels, is causing global warming. Global warming is causing the oceans to warm. Warm oceans are steroids for storms.

The fact is the planet is warming right now, and it is easier to blame it on some human activity rather than saying we should better understand the whole problem and recognize there are natural conditions that are impacting this, too.

We see evidence that lakes and forests and wetlands can have different equilibria - so you have a savanna system that may be stable and thriving, but it can also tip over and become an arid steppe if pushed too far by warming, land degradation, and biodiversity loss.

When you analyze all the data, there is a warming trend according to science. But the jury is out on the degree of how much is manmade.

It doesn't make sense to argue about how much global warming is caused by man - whether it's 5 percent or 50 percent.

For someone to say that someone's a skeptic or a climate denier about the climate changing, that's just nonsensical. We see that throughout history. We impact the climate by our activity. How much so is very difficult to determine with respect to our CO2 or carbon footprint, but we obviously do.

If there's horrible flooding in Pakistan or a horrible heat wave in Texas, we're no longer able to call it an act of God, or a natural disaster, or something like that, the way we could have through all of human history until 35 or 40 years ago.

The best scientific evidence suggests temperatures are rising, and the best scientific evidence suggests man-made anthropogenic carbon emissions have some substantial thing to do with that. However, does that mean the trend will continue forever? We don't know.