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Articles on Greenhouse gas emissions (GHG)

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Prime Minister Scott Morrison (right) and Energy Minister Angus Taylor at Snowy Hydro Scheme. The Grattan Institute says the government should better encourage investment rather than build electricity infrastructure. LUKAS COCH/AAP

Governments took the hard road on clean energy – and consumers are feeling the bumps

Australia’s entire coal fleet will retire in the next few decades. The federal government’s response to the Hazelwood coal plant closure has left a mess – it must do better.
Swedish teenage climate activist Greta Thunberg speaks as she takes part during the Climate Strike in New York. Tens of thousands of protesters joined rallies on Sept. 20 as a day of worldwide demonstrations calling for action against climate change. (AP Photo/Eduardo Munoz Alvarez)

After Greta Thunberg’s UN address, an ethicist weighs in on our moral failure to act on climate change

The kids are right when it comes to climate change, says an ethicist: adults have a moral and ethical responsibility to take the necessary actions to stop climate change.
In India, air conditioning system vendors waiting for customers during an episode of high heat. Raveendran/AFP

How we can keep our planet cool even as A/C use rises

As our planet warms, the number of air-conditioning units worldwide is expected to triple by 2050 – yet their use drives climate change. So how can we break the cycle?
On June 5-6, 2012, NASA’s Solar Dynamics Observatory collected images of one of the rarest predictable solar events: the transit of Venus across the face of the Sun. NASA/SDO, AIA

Why we need to get back to Venus

This hot, acidic neighbor with its surface veiled in thick clouds hasn’t benefited from the attention showered on Mars and the Moon. But Venus may offer insights into the fate of the Earth.

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