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Thousands of years ago, humans domesticated every possible large wild mammal species fulfilling all those criteria and worth domesticating, with the result that there have been no valuable additions of domestic animals in recent times, despite the efforts of modern science.
Jared Diamond -
Federal elections happen every two years in this country. Presidential elections every four years. And four years just isn't long enough to dismantle all the environmental laws we've got in this country.
Jared Diamond
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The southward advance of native African farmers with Central African crops halted in Natal, beyond which Central African crops couldn't grow - with enormous consequences for the recent history of South Africa.
Jared Diamond -
Eurasia ended up with the most domesticated animal species in part because it's the world's largest land mass and offered the most wild species to begin with.
Jared Diamond -
Remember that impact is the product of two factors: population multiplied times impact per person.
Jared Diamond -
AIDS and malaria and TB are national security issues. A worldwide program to get a start on dealing with these issues would cost about $25 billion... It's, what, a few months in Iraq.
Jared Diamond -
Measles and TB evolved from diseases of our cattle, influenza from a disease of pigs, and smallpox possibly from a disease of camels. The Americas had very few native domesticated animal species from which humans could acquire such diseases.
Jared Diamond -
Take air quality in the United States today: It's about 30 percent better than it was 25 years ago, even though there are now more people driving more cars.
Jared Diamond
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Infectious diseases introduced with Europeans, like smallpox and measles, spread from one Indian tribe to another, far in advance of Europeans themselves, and killed an estimated 95% of the New World's Indian population.
Jared Diamond -
Those numbers ay not sound like a bid deal until one reflects that average global temperatures were 'only' 5 degrees cooler at the height of the last Ice Age.
Jared Diamond -
Two types of choices seem to me to have been crucial in tipping their outcomes towards success or failure: long-term planning, and willingness to reconsider core values. On reflection, we can also recognize the crucial role of these same two choices for the outcomes of our individual lives.
Jared Diamond -
I've always been interested in a lot of things, and a lot of things at the same time, and I always tried to explain them to myself. I ask a lot of questions.
Jared Diamond -
The infectious diseases that regularly visited crowded Eurasian societies, and to which many Eurasians consequently developed immune or genetic resistance, included all of history's most lethal killers: smallpox, measles, influenza, plague, tuberculosis, typhus, cholera, malaria, and others.
Jared Diamond -
Although native Africans domesticated some plants in the Sahel and in Ethiopia and in tropical West Africa, they acquired valuable domestic animals only later, from the north.
Jared Diamond
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People often ask, 'What is the single most important environmental/population problem facing the world today?' A flip answer would be, 'The single most important problem is our misguided focus on identifying the single most important problem!'
Jared Diamond -
Australia is the most isolated continent.
Jared Diamond -
My hope in writing this book has been that enough people will choose to profit from that opportunity to make a difference.
Jared Diamond -
The details of which candidate said what during a single televised debate in October 1960 could have given the electoral victory to Nixon instead of to Kennedy, but no details of who said what could have blocked the European conquest of Native Americans.
Jared Diamond -
The United States has long thought of itself as the land of infinite plenty, and historically we did have abundant resources. But now we are gradually exhausting our fisheries, our topsoil, our water. On top of that, we're coming to the end of world resources.
Jared Diamond -
We can't manipulate some stars while maintaining other stars as controls; we can't start and stop ice ages, and we can't experiment with designing and evolving dinosaurs.
Jared Diamond
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History, as well as life itself, is complicated; neither life nor history is an enterprise for those who seek simplicity and consistency.
Jared Diamond -
Put another way, the chimpanzees' closest relative is not the gorilla but humans.
Jared Diamond -
Native Americans had only stone and wooden weapons and no animals that could be ridden. Those military advantages repeatedly enabled troops of a few dozen mounted Spaniards to defeat Indian armies numbering in the thousands.
Jared Diamond