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Articles sur Climate change

Affichage de 5081 à 5100 de 6822 articles

Lismore received a drenching from the tail end of Tropical Cyclone Debbie. AAP Image/Dave Hunt

Northern NSW is no stranger to floods, but this one was different

The record floods of 1954 and 1974 still stand as Lismore’s high-water marks. But Tropical Cyclone Debbie delivered her deluge far more abruptly than the rains that triggered those historic floods.
Nobody can observe events in the future so to study climate change, scientists build detailed models and use powerful supercomputers to simulate conditions, such as the global water vapor levels seen here, and to understand how rising greenhouse gas levels will change Earth’s systems. NCAR/UCAR

Yes, we can do ‘sound’ climate science even though it’s projecting the future

People worry Washington is losing respect for science and even the centuries-old scientific method. Two climate scientists explain how science can be done when talking about the future.
After decades of sustainability initiatives, key environmental indicators keep getting worse. The Capital Wind Farm, REUTERS/Jason Reed/File Photo

After 25 years of trying, why aren’t we environmentally sustainable yet?

Why, after decades of international agreements, are we still damaging the environment? New research, looking at dozens of unsuccessful policies, has uncovered the basic elements of failure.
Impact investing emerged in 2007 out of global discussions on how to mobilise more capital to tackle societal problems. shutterstock

Explainer: the rise of social impact investing

Impact investments are designed to achieve a measurable social or environmental – as well as financial – return.
People protest at a demonstration in Market Square, in Cleveland. The demonstration was organized in protest of President Donald Trump’s immigration order. AP Photo/Tony Dejak

What motivates moral outrage?

A lot of moral outrage has been expressed lately – over Trump’s travel ban and other issues. The expression of such outrage is more than a response to perceived injustice.
President Trump holds up the signed Energy Independence Executive Order, Tuesday, March 28, 2017, at EPA headquarters in Washington, surrounded by coal miners and members of his Cabinet. AP Photo/Pablo Martinez Monsivais

Trump’s energy and climate change order: Seven essential reads

President Trump’s latest executive order weakens or reverses multiple rules and policies designed to slow climate change. Scholars explain the order’s impact.
In the Fir Tree, children stamp on a discarded – but feeling – Christmas tree. The Fir Tree, illustrated by George Dalziel and Edward Dalziel, from Out of the Heart: Spoken to the Little Ones, 1867

How 19th century fairy tales expressed anxieties about ecological devastation

The Industrial Revolution choked English cities in smog, filled rivers with waste and spread disease in crowded cities. At the same time, fairy tales about humans destroying nature proliferated.
The original conflict between development and preservation of natural assets is broadening as the risks of climate change become ever more obvious. Crystal Ja/AAP

Contested spaces: conflict behind the sand dunes takes a new turn

Conflicts over coastal areas have largely been between development and preserving what makes these attractive places to live. Rising sea levels are now complicating our relationship with the coast.
Coal train in Missouri. Assigning a social cost to carbon emissions puts a price on activities that generate them, such as burning fossil fuels. Scott Granneman/Flickr

Curbing climate change has a dollar value — here’s how and why we measure it

To weigh the economic impact of climate change policies, we need to estimate the social cost of carbon. An economist explains how it’s done and why the Trump administration shouldn’t end the practice.

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