Can there be any question that the human is the least harmonious beast in the forest and the creature most toxic to the nest?
We tell stories with maps about global warming, biodiversity; we can design more livable cities, track the spread of epidemics. That makes a difference.
A property in the 100-year floodplain has a 96 percent chance of being flooded in the next hundred years without global warming. The fact that several years go by without a flood does not change that...
Decades of scientific research has proven that carbon pollution is harmful to human health and causes global warming.
Mother Nature is challenging enough, let's keep oil drilling out of the picture.
Population growth is not a reason against giving aid but a reason for reconsidering the kind of aid to give.
Preventing global warming from becoming a planetary catastrophe may take something even more drastic than renewable energy, superefficient urban design, and global carbon taxes.
We have an obligation to help those in absolute poverty that is no less strong than our obligation to rescue a drowning child from a pond.
The biggest threats to human survival today are not wars or conflict, it is modern business.
On the environmental front there's concern about global warming and high levels of carbon dioxide, and trees take in CO2 and store carbon.
Have we failed to slow global warming pollution in part because climate and environmental activists have been too polite and well behaved?
All cities do face similar, significant trends in the future... most importantly global warming and climate change.
If a problem is irreversible, is there still an ethical obligation to try to reverse it?
Climate change is already causing, every week, as many deaths as occurred in the terrorist attacks on September 11, 2001.
Helping is not, as conventionally thought, a charitable act that is praiseworthy to do but not wrong to omit. It is something that everyone ought to do.
I argued against the view that the only obligation we have to strangers is to avoid harming them; but even if we were to take that view, the facts of climate change would demonstrate clearly that we a...
In four months we could actually have an administration that believes in science.
What we are doing to strangers in other communities right now is, therefore, far more serious and far more widespread than the harm we would do if we were in the habit of occasionally sending out a gr...
In some parts of the world, what you are doing is already apparent. According to the World Health Organization, the warming of the planet caused an additional 140,000 deaths in 2004, as compared with...
The world does produce enough to feed its inhabitants – in fact we waste vast quantities of grain and soybeans by feeding them to animals, getting back from the animals only a small fraction of the nu...
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