Articles on Climate change policy

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Exxon funded climate scientists while the bulk of its public-facing advertorials argued the science and cause of climate change was uncertain. AP Photo/Mark Humphrey

I was an Exxon-funded climate scientist

A new study confirms what many already know: Exxon for years sowed uncertainty and doubt about climate change in the public. Should scientists reject certain funding sources?
A pre-industrial climate benchmark generally indicates before the Industrial Revolution – but that still leaves a very wide field. REUTERS/Jason Reed

What is a pre-industrial climate and why does it matter?

The Paris climate agreement aims to keep restrict global warming to within 2℃ above 'pre-industrial levels'. But what does that mean, exactly?
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.
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.
Efforts to combat climate change are making extracting oil from areas like Canada’s tar sands fields more expensive. Emily Beament/PA Wire via AP

Are fossil fuel companies telling investors enough about the risks of climate change?

The Trump administration may reverse a recent push to require oil companies to disclose more information about climate change risks to investors. Is that a good thing?
Chinese President Xi Jinping, center, U.S. President Barack Obama and U.N. Secretary-General Ban Ki-moon shake hands during a joint ratification of the Paris climate change agreement in eastern China’s Zhejiang province, Sept. 3, 2016. How Hwee Young/Pool Photo via AP

For China, climate change is no hoax – it’s a business and political opportunity

Although Donald Trump has called climate change a hoax invented by China, Chinese leaders believe cutting carbon emissions will generate economic and political payoffs at home and abroad.
NASA Earth Science Division operating missions, including systems managed by NOAA and USGS. NASA Earth Observing System

Eyes in the sky: Cutting NASA Earth observations would be a costly mistake

President Trump's 2018 budget request cuts funding for NASA Earth observation research and cancels four missions. Weather forecasters, businesses, scientists and the armed forces rely on this data.
Efforts to combat climate change are making extracting oil from areas like Canada’s tar sands fields more expensive. Emily Beament/PA Wire via AP

Should oil companies like Exxon be forced to disclose climate change risks?

The SEC and others are pressing Exxon to disclose more climate change risks to investors. But new research suggests shareholders are already pricing in those costs on their own.
Malcolm Turnbull faces many challenges in transitioning Australia to a post-mining boom economy. Lukas Coch/AAP

A snapshot of the challenges facing the new Turnbull government

What are the key policy challenges facing the new Turnbull government in terms of economic growth and budgets, cities, transport, energy, school education, higher education and health?
The Australian government seems to think fossil fuels need help, when businesses are deciding otherwise. Coal image from www.shutterstock.com

Fossil fuel growth centre harks back to old ideas about climate costs

Do fossil fuels need saving from efforts to combat climate change? The Australian government seems to think so, but that sort of thinking is out of date.
Organisations like the African Union must find a way to monitor countries’ environmental commitments. Shutterstock

How Africa can up its game to meet environmental challenges

Africa has fewer resources than others when it comes to climate change adaptation. For this reason environmental agreements must be monitored by the likes of the AU.
Has any other country achieved a greater reduction than Australia in the intensity of their emissions per unit of GDP over between 1990 and now? AAP Image/Dan Peled

FactCheck: Has any country bested Australia in emissions intensity reduction since 1990?

Recent comments by Federal Minister for the Environment, Greg Hunt, implied that Australia is leading the world in reduction of greenhouse gas emissions per unit of GDP. Is that right?

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