A combination
of increasing human population density, better hunting methods and climate change may have reduced the availability of prey and pushed some wolves towards scavenging, which favoured tameness and smaller size.
However, given the low dose used in the study we can not rule out that,
with increasing human population and medical use, this might become a problem in the near future» says Gustav Hellström.
The scale of human activity, the level of natural resource consumption (both because
of increased human population and increased expectation of material comfort), is so much higher now, that China's economy, and that of other developing nations as well, could easily become constrained by environmental factors before they can turn to cleaning up their environment, as happened elsewhere.
In the future, irrigated agriculture will face increased water costs driven by competing needs of
an increasing human population and probably drier conditions under a changing climate.
Creating nitrogen - fixing, non-leguminous crops (7 May, p 8) to boost food supply could support
an increased human population, only to...
The ever -
increasing human population, growing per capita consumption and economic inequity have destroyed natural habitats, the researchers said.
An increasing human population, urbanization, increasing demand for livestock products and climate change will place greater pressures on the environment, human and animal health and livelihoods.
With the recent expansion of tourism and fishing,
the increased human population has almost eliminated these larger species, but the smaller mammals, such as the opossum, armadillo and racoon are still fairly abundant.
While early landscapists such as J. M. W. Turner, depicted the power of raw, unrestricted nature to overwhelm humanity, the artists featured in Landscapes after Ruskin are working in a climate of heightened anxiety, technological advancement, frequent natural disasters, and
increasing human populations.
How do
we increase the human population by another 50 percent in the next 50 years and come out the other side without diminished possibilities for our successors?