natural pollinators		Myers suggested species in such areas could be preserved by protection.
reaction		These are necessary for fruits and vegetables.
the capacity of the Earth		In the U.S. DDT affected wildlife and _____.
undesireable predator		This has a correlation to human health.
extinction		Climate is _________.
carcinogenic		This human activity has the greatest environmental impact.
hot spots		Of greatest concern is the accelerating loss of this.
global warming		Global warming has this.
natural ecosystems		This damages sensitve aquatic and forest ecosystems.
interconnected		These extreme events are popping up all over.
crops		Author responsible for public taking notice of environmental problems.
managing the planet		This has affected animals that adapt to changing climates.
diversity		As society increases mobility, so do these.
humanity		Man who dominates the natural world has customarily overused this.
ozone layer		Global warming can elevate the threat of this.
threshold		Depletion of this permits more ultra-violet radiation to reach us.
habitat		Problems connected to the scale of human population may include these factors.
leadership		Human mobility is speedy therefore the spread of these is swift.
life		For every action this occurs.
nonlinear		This focused on slowing species extinciton when process was known to be global.
concern		This by man can be learned from ecological footprint analysis.
garbage dump		We can not escape responsibility for this.
additional diseases		Protection of species and need for this arose.
agriculture		This adversely affects the world's environment.
very long lag time		Many problems develop with a very long lag time before consequences _______.
Rachel Carson		No place is untouched by this.
pathogenic organisms		In high doses PCBs are toxic and _____.
biodiversity		This from the United states is important.
toxins		With the loss of biodiversity, this is at risk.
mini ice age		Transplants into new ecosystems become a pest or this.
climate changes		This is the dominant ecological force and the foremost evolutionary force.
viruses		Plants, animals, and microorganisms are the most irreplaceable form of this.
overshooting		This of Earth's are taken for granted.
environmental		All of us pay this for the alteration of natural resources.
natural capital		These are integral to our life-support system and co-evolve with us.
pollution		Climate is __________.
air pollution		Consumption of this may result in madness, loss of bodily functions and horrific deaths.
organisms		This is the reflection of solar radiation.
human activity		Food production and human health my be adversely affected if this is in the air or water.
Albedo		Reduce the number eating and hunger is reduced is considred playing this.
acid rain		These need replenishment of soils and nutrients.
birds		More and more these are traceable to human action.
social costs		The primary cause of increasing gas emission is the burning of this.
weather		The more inense the agriculture, the least area is available for this.
time		Ecosystems play a role which is essential for this.
mercury		The problem of scale is ever-present in these matters.
natural resources		Things change with this.
human population		One can lead to another.
globally		Not always can one emulation be applied to this extent.
the Malthus card		These are incurred by society as a result of an activity or manufacturing.
materialize		Younger Dryas is the name for this.
important		Continued huge amounts of carbon into the atmosphere is using the atmosphere as this.
fossil fuels		The Ehrlichs see hunger and population as interconnected.