Sentences with phrase «big effects on humans»

Estrogen is a tiny molecule, but it can have big effects on humans and other animals.

These percentages show that history, and not just natural selection, has a big effect on the human gene pool — and that conquerors tend to spread their Y chromosomes.

Not exact matches

Since bacterial cell walls and human cell walls are very different, penicillin has a big effect on certain species of bacteria but no effect on human cells.

In the big, wide - ranging world of global change effects, one would be hard pressed to find a topic that is more important — or of more interest to more people — than effects on human health.

b) A big change from ~ 2005 is that people couldn't believe there were enough humans early to clear enough land or do enough rice paddies to have noticeable effects on CO2 and CH4.

Please don't lose the bigger perspective and the undoubted effects of high sea surface temperatures, of which a component is human induced climate change, on these events.

In case anyone wants to have a look back at my early work, here are links that will lead you to a few vintage pieces on humans and climate: Endless Summer: Living With the Greenhouse Effect, Discover Magazine cover story, October 1988; «Let's Be Sensible on Global Warming,» Christian Science Monitor, June 30, 1992; «The Big Thaw» (a look at Switzerland's retreating glaciers), Conde Nast Traveler, 1993.

On the other hand, if by some chance and what ends up happening is totally independent of human activity, because it turns out after all that CO2 from fossil fuels is magically transparent to infrared and has no effect on ocean pH, unlike regular CO2, say, but coincidentally big pieces of the ice sheets melt and temperature goes up 7 C in the next couple of centuries and weather patterns change and large unprecedented extreme events happen with incerasing frequency, and coincidentally all the reefs and shellfish die and the ocean becomes a rancid puddle, that could be unfortunatOn the other hand, if by some chance and what ends up happening is totally independent of human activity, because it turns out after all that CO2 from fossil fuels is magically transparent to infrared and has no effect on ocean pH, unlike regular CO2, say, but coincidentally big pieces of the ice sheets melt and temperature goes up 7 C in the next couple of centuries and weather patterns change and large unprecedented extreme events happen with incerasing frequency, and coincidentally all the reefs and shellfish die and the ocean becomes a rancid puddle, that could be unfortunaton ocean pH, unlike regular CO2, say, but coincidentally big pieces of the ice sheets melt and temperature goes up 7 C in the next couple of centuries and weather patterns change and large unprecedented extreme events happen with incerasing frequency, and coincidentally all the reefs and shellfish die and the ocean becomes a rancid puddle, that could be unfortunate.

The tax package would provide a substantial incentive to people to use more environmentally polluting modes of transport... International studies clearly demonstrate that taxes on fuel should be increased... and the biggest increase ought to apply to diesel fuel because, at least in urban areas, it has the most damaging effect on human health.

Add to that the role of the moon and big planets, Jupiter and Saturn, and the effects on the geomagnetic field and galactic cosmic radiation and little is needed — indeed little room is left — for postulating a human causation as an additional factor let alone a rational explanation for all or even most of observed climate change.

If the study is indeed an accurate representation of the effects of CO2 on humans, though, it will come as a big surprise to the US navy submarine service, where CO2 concentrations frequently reach 8,000 ppm (20 times current atmospheric levels) with few observed adverse reactions.

Jurors often harbor a basic belief that if a big company is on trial, it has probably harmed people or the environment in pursuit of profits and has caused long - term damage to people and the planet — either by directly causing human health effects, polluting the air, water, or ground, or by contributing to global warming.