Sentences with phrase «irreversible ecosystem changes»
What are the critical threshold levels («tipping points») of ocean acidification for irreversible ecosystem changes?
https://www.oceanacidification.de/ Not exact matches
«If left unchecked,» the United Nations warned this month, «climate change will increase the likelihood of severe, pervasive and irreversible impacts for people and ecosystems.»
The consequences of such initiative were disastrous: Protected from hunting for 35 years, and devoid of natural predators, the beavers grew over 5,000 times their initial population, caused irreversible changes in the forest ecosystem, and started advancing over the continent.
If left unchecked, climate change will increase the likelihood of severe, pervasive and irreversible impacts for people and ecosystems.
A new report from the IPCC says that climate change — if left unchecked — will increase the likelihood of severe, pervasive and irreversible impacts for people and ecosystems.
Ecosystem - based approaches provide an important route to sustainable action and represent a vital insurance policy against irreversible damage from climate change, whereas failure to acknowledge the relationship between climate change and biodiversity and failure to act swiftly and in an integrated manner could undermine efforts for improvements in both areas.
Knowledge of these thresholds is key to the sustainable management of ecosystems and to anticipating irreversible changes and / or ecological collapse,» wrote Alfredo Huete, a researcher at the University of Sydney in Australia, in an accompanying commentary on the study in Nature.
Between the poles of real - time catastrophe and nonevent lies the prevailing scientific view: Without big changes in emissions rates, global warming from the buildup of greenhouse gases is likely to lead to substantial, and largely irreversible, transformations of climate, ecosystems and coastlines later this century.
Green traditionalists are well - represented among environmental scientists, and they publish high - profile papers warning «that population growth, widespread destruction of natural ecosystems, and climate change may be driving Earth» to an irreversible tipping point.
The range of uncertainty for the warming along the current emissions path is wide enough to encompass massively disruptive consequences to societies and ecosystems: as global temperatures rise, there is a real risk, however small, that one or more critical parts of the Earth's climate system will experience abrupt, unpredictable and potentially irreversible changes.
The U.N. Intergovernmental Panel on Climate Change (which, to be fair, advances the cause of global governance) has stated that if we don't cut carbon emissions there will be «severe, pervasive and irreversible impacts for people and ecosystems.»
The spewing of 110 million tonnes a day of heat - trapping pollution into the atmosphere — as if the atmosphere were an open sewer — is «increasing the likelihood,» says a warning from the Intergovernmental Panel on Climate Change, «of severe, pervasive and irreversible impacts for people and ecosystems».
De Souza points out that the two - degree threshold is a «goal set out in recent international climate change negotiations, based on scientific and economic studies, to prevent irreversible damage to the planet's ecosystems and economy.
With warming greater than 2 °C, there is a high risk of abrupt and irreversible changes to ecosystems such as forests, which would lead to «substantial additional climate change» considering that trees sequester significant amounts of carbon dioxide.
The choice of a stabilization level implies the balancing of the risks of climate change (risks of gradual change and of extreme events, risk of irreversible change of the climate, including risks for food security, ecosystems and sustainable development) against the risk of response measures that may threaten economic sustainability.
A 127 - page final draft of the latest Intergovernmental Panel on Climate Change report sent to governments Monday warned the effects of global warming already are felt across all the continents and oceans and further emissions will increase the likelihood of «severe, pervasive and irreversible impacts for people and ecosystems.»
However, even temporary extreme climatic events can trigger abrupt and irreversible changes when their impacts exceed the threshold or resilience of the ecosystems.
Extinction is an irreversible biological change that can fundamentally alter the ecosystem of which a lost species was a part, contributing to ecological state shifts as described in the last section and to depleting ecosystem services as described below (see Chapter 3, Boxes 3.1 and 3.2).
Pauley and other marine biologists have shown that drastically reduced populations in marine fishes caused by overfishing may never recover because overfishing has created irreversible changes in ecosystem structure.
[ii] The range of uncertainty for the warming along the current emissions path is wide enough to encompass massively disruptive consequences to societies and ecosystems: as global temperatures rise, there is a real risk, however small, that one or more critical parts of the Earth's climate system will experience abrupt, unpredictable and potentially irreversible changes.
«With the global trade in shark fins pushing sharks toward extinction, it will take strong actions such as this to prevent us from making irreversible changes to our ocean ecosystems,» said Whit Sheard, senior advisor for Oceana, a maritime conservation organization.
* At higher projected rates of warming, areas such as the tundra and the Amazon rainforest face a high risk of «abrupt and irreversible» changes in their ecosystems.