Sentences with phrase «more ecological changes»

In other words, if climate sensitivity is toward the low end, 2 K is more dangerous than we currently give it credit for, and arguments for low risk because of low sensitivity are less valid because that means that more ecological changes occur for a given temperature change than currently thought.

In other words, if climate sensitivity is toward the low end, 2 K is more dangerous than we currently give it credit for, and arguments for low risk because of low sensitivity are less valid because that means that more ecological changes occur for a given temperature change than currently thought.

Not exact matches

IFOAM - Organics International, the Alliance for Food Sovereignty in Africa (AFSA), Mekelle University in Ethiopia, the Ecological Organic Agricultural Initiative (EOAI), and the African Organic Network (AfrOnet) organized a three day conference on the 23rd to the 26th November 2016, entitled «Changing Food Systems in Africa: Agroecology and Food... more

work with education providers to ensure climate change policies fully recognise the role of education and schools in delivering behaviour change, and bring more understanding of ecological issues into our schools.

Other disciplines such as ecology, conservation, and physiology will benefit from a more objectively based species circumscription, enabling us to interpret distribution and ecological patterns more precisely, while more accurately monitoring environmental disturbance and climate change.

In ponds dominated by female fish, the researchers observed more pronounced ecological changes, including fewer zooplankton and a greater abundance of algae, than in male dominated ponds.

Most fundamentally, Moran's study sheds more light on the basic mechanisms of Darwinism: How do animals adapt to their changing world and ecological habitats?

Now, researchers reporting April 21 in Current Biology suggest that abrupt ecological changes following a meteor impact may have been more detrimental to carnivorous bird - like dinosaurs, and early modern birds with toothless beaks were able to survive on seeds when other food sources declined.

Researchers say the analysis was intended to more precisely gauge the ecological consequences of climate change.

The scientists» analysis of more than 25,000 bones and 170,000 live animals showed that the distribution of species among the bones corresponded well to the living community, even through periods of rapid ecological change.

More importantly, edge effects create species communities near edges that bear little resemblance to the communities of forest interiors, and this species turnover likely reflects dramatic changes to the ecological functioning of modified forest habitats.

Herbaria have long been a valuable resource — traditionally to aid in identification of local flora — but more recently to address ecological questions including invasive species and the effects of climate change.

Modern human - driven forces, like climate change and pollution, are «orders of magnitude more destructive than what early humans were doing,» Lyons said, but even at the dawn of human civilizations, people were certainly having major — and unprecedented — ecological impacts, she said.

The Global Lakes Ecological Observatory Network is a grassroots network of more than 600 members in 50 + countries conducting innovative science to understand, predict, and communicate the role and response of lakes in a changing global environment.

It might seem that for a rain forest the more trees the merrier, but a new study by scientists at the Carnegie Institution warns that non-native trees invading a rain forest can change its basic ecological structure — rendering it less hospitable to the myriad plant and animal species that depend on its resources.

Born and raised on Martha's Vineyard, Tom brings a deep understanding of land - use change to the conservation of Massachusetts's coasts, including making residential landscapes more supportive of essential ecological processes.

There is no real life proof that «races» differ in any meaningful way besides minor ecological and geographical adaptations and evolutionary differences like my long thin nose to pick a rather vulgar example, which clearly changed from my African forefathers due to their migration to colder climates, thus allowing the more efficient heating of the air inhaled, to avoid hypothermia with the minor drawback of restricting the flow of air and thus reducing the amount that can be inhaled compared to those in warmer lands.

The grove's status was changed to a natural reserve in 1964 when a greater understanding of its ecological significance prompted a more protective management of the resource.

Human induced trend has two components, namely (a) greenhouse effect [this includes global and local / regional component] and (b) non-greenhouse effect [local / regional component]-- according to IPCC (a) is more than half of global average temperature anomaly wherein it also includes component of volcanic activities, etc that comes under greenhouse effect; and (b) contribution is less than half — ecological changes component but this is biased positive side by urban - heat - island effect component as the met network are concentrated in urban areas and rural - cold - island effect is biased negative side as the met stations are sparsely distributed though rural area is more than double to urban area.

I've been criticized by some environmentalists in recent years for writing that the long - term picture (more CO2 = warmer world = less ice = higher seas and lots of climatic and ecological changes) is the only aspect of human - caused global warming that is solidly established, and that efforts to link dramatic weather - related events to the human influence on climate could backfire should nature wiggle the other way for awhile.

«But as I commented at scienceprogress, the way I see the ledger, the religious Right gets a handful of anti-science points for views on evolution (and related rationalizations about the age of the earth, etc.), and for some dismissal of climate change theory, but the Left gets many more anti-science points for exaggerating the health and ecological risks of POPs; DDT; GMOs; plastics and plasticizers; pesticide residues; conventional agriculture; low - dose EM radiation; high - tension powerlines; climate change; population growth; resource depletion; chemical sweeteners; species extinction rates; biodiversity decline; and I'm sure the list could go on.

The first is climate inertia — on very many levels, from fossil lock - in emissions (decades), ocean - atmospheric temperature inertia (yet more decades), Earth system temperature inertia (centuries to millennia) to ecological climate impact inertia (impacts becoming worse over time under a constant stress)-- all this to illustrate anthropogenic climate change, although already manifesting itself, is still very much an escalating problem for the future.

This raises the question of more revolutionary social change as an ecological as well as social necessity.

«If snowpack declines, forests become more stressed, which can lead to ecological changes that include alterations in the distribution and abundance of plant and animal species as well as vulnerability to perturbations like fire and beetle kill.»

Climate change not only threatens more people, animals, and ecological systems around the world than the Gulf spill; it promises to be a problem that will continually wreck havoc for centuries while harming the world's poorest and most vulnerable people with drought, floods, killer storms, rising sea levels, and vector borne disease.

(E) establishes methods for assessing the effectiveness of strategies and conservation actions taken to assist fish, wildlife, and plant populations, habitats, ecosystems, and associated ecological processes in becoming more resilient, adapt to, and better withstand the impacts of climate changes and ocean acidification and for updating those strategies and actions to respond appropriately to new information or changing conditions;

The World Bank called for urgent action on climate change on Sunday after it released a report that examined the economic, ecological and human impacts that a 7.2 °F rise in global temperature would have on the world's population... Read More

The scope and impacts of climate change — including rising seas, more damaging extreme weather events, and severe ecological disruption — demand that we consider all possible options for limiting heat - trapping gas emissions — including their respective costs and timelines for implementation.

If you concede that climate skeptics have not proven in peer - reviewed journals that human - induced warming is not a very serious threat to human health and ecological systems, given that human - induced warming could create catastrophic warming the longer the human community waits to respond to reduce the threat of climate change and the more difficult it will be to prevent dangerous warming, do you agree that those nations most responsible for rising atmospheric ghg concentrations have a duty to demonstrate that their ghg emissions are safe?

If you concede that climate skeptics have not proven in peer - reviewed journals that human - induced warming is not a very serious threat to human health and ecological systems, given that human - induced warming could create catastrophic warming the longer the human community waits to respond to reduce the threat of climate change and the more difficult it will be to prevent dangerous warming, do you agree that those responsible for rising atmospheric ghg concentrations have a duty to demonstrate that their ghg emissions are safe?

Future coupling of demography with existing global land model predictions could enable assessment of these potentially important die - off responses [44], as well as implementation of more realistic reductions in tree loss to drive scenarios (i.e., enabling assessments of ecological changes less drastic or occurring on shorter time - scales than conversion from forest to grassland biomes).

«Sheep farming in this country is a slow - burning ecological disaster which has done more damage to the living systems of this country than either climate change or industrial pollution,» he writes.

Second, this means that environmental dogma which argues that we live within ecological limits may actually make us more vulnerable to changes in the natural world.

The effectiveness of local adaptive strategies is uneven across the Arctic and there are large gaps in knowledge about why some communities do well, while others are more vulnerable to drivers of change, even when they share similar resources and ecological settings.

For instance, in Nisbet's typology, «ecological activists» such as Bill McKibben and Naomi Klein frame climate change as a product of the global capitalist system, «smart growth reformers» such as Al Gore and Nicholas Stern diagnose climate change as a market failure that can be corrected with more efficient price signals, and «ecomodernists» such as Ted Nordhaus and Michael Shellenberger believe climate change has been misdiagnosed as an environmental problem and should be reframed as a resilience and innovation challenge.

We'll present a couple illustrations before we'll get to the actual publication we hope to discuss — one that compares methodology of science - based and «science - denying» climate websites but that also touches on a subject we personally find far more interesting: what's actually going on in the Arctic, an area that is not only experiencing major physical consequences of climate change, but that is subsequently also set to be a stage for a cascade of ecological consequences of this climate change — both in the Arctic tundra biome and in the adjacent Arctic marine ecosystem.

Even without the new factor of a changing climate, it is time to acknowledge that California is in permanent long - term shortage: even in a «normal» rainfall year more water is now demanded and used than nature provides, leading to growing political conflict, unsustainable groundwater overdraft, and ecological destruction of the state's rivers, streams, and wetlands.

Though playing off a similar idea - that some type of catastrophic showdown is coming our way at the end of the current Mayan calendar in December 2012 - this new movie «2012: Time for Change» is actually an animated documentary that takes a positive spin on our joint ecological predicament - positing that an evolution of human consciousness could get us back in tune with nature and make humans more able to be positive stewards rather than wanton destroyers of our world.

If you care at all about how much gas you buy, either for monetary or ecological reasons, this feedback will gradually change the way you drive and turn you into a more fuel efficient driver.

Planetsave has writers that are recognized authorities on energy efficiency, carbon footprint reduction, wildlife conservation, waste reduction, climate change, ecological activism, and more.

The more positive changes we make now will result in more future ecological diversity and fewer human deaths from starvation and war.

However, recent observations of the rate and severity of physical and ecological responses to escalating radiative forcing — melting glaciers and ice sheets resulting in sea level rise and major changes in weather patterns, prolonged droughts, more frequent hurricanes and storms, and so on — are surprising even top climate experts, and raising awareness that, as a nation, we are dangerously unprepared for the inevitable consequences.