Research on the Deniliquin structure points to an asteroid impact that would have been more than double the scale of the one that killed the dinosaurs.
- Adjunct professor, UNSW
Risiko alam dari pemanasan global buatan manusia, dan urgensi untuk bertindak sudah jelas.
The risks to nature from man-made global warming – and the imperative to act – are clear.
Large asteroids have hit Australia over many millions of years and the evidence is in the landscape, if you know where to look.
Perlombaan mengirim manusia untuk hidup di Mars telah dimulai, tetapi apakah usaha dan biayanya sepadan—di saat kita juga memiliki masalah di Bumi?
The race may be on to send humans to live on Mars, but is it worth the effort – and the spend – when we have our own problems to deal with on Earth.
Imagine a world ravaged by the fallout from nuclear weapons and the runaway effects of climate change. Congratulations, you’ve just imagined the Plutocene, but let’s hope it doesn’t become a reality.
A new analysis suggests that weather records have not yet had time to capture the full effects of climate change, some of which are likely to take centuries to play out.
New projections suggest the world could warm 3-7 degrees over coming centuries.
More than 150 Australian experts have demanded greater action on climate change from Prime Minister Malcolm Turnbull.
Atmospheric, marine, environmental, biological and medical scientists join in calling for more focus on the damage being wrought by climate change.
The discovery of the second oldest known asteroid impact site in the world can give us tantalising hints of the Earth’s early crust.
The level of carbon dioxide in the atmosphere is rising faster than at any point in the past 55 million years.
2015 will likely be a degree warmer than before people started pumping greenhouse gases into the atmosphere. The last time the world was this hot wasn’t great for civilisation.
Why should we care if the polar ice sheets melt hundreds of years in the future? Because they are vital for maintaining our current climate.
Sea level rise represents one of the most worrying aspects of global warming, potentially displacing millions of people along coasts, low river valleys, deltas and islands.
The largest meteorite impact site in the world may be right here in central Australia.
The 2015 Intergenerational Report underestimated the threat of climate change. An open letter from environmental and climate scientists.
The latest climate projections released last week by the Bureau of Meteorology and CSIRO predict that Australia could potentially warm by between 2.8C and 5.1C by 2090. Meanwhile, the 2014 State of the…
The concept of a “tipping point” – a threshold beyond which a system shifts to a new state – is becoming a familiar one in discussions of the climate. Examples of tipping points are everywhere: a glass…
An international study of ice cores has helped researchers pave the way for a better understanding of how Antarctica’s volcanoes have affected the global climate over the past 2,000 years. The research…
The era in which humans have had the power to alter the conditions for all life on Earth is widely thought to have begun with the Industrial Revolution 250 years ago. This era has been dubbed the “Anthropocene…
How long has Earth’s atmosphere included oxygen? A recent paper suggests low levels of oxygen appeared in the atmosphere approximately 2.95 billion years ago. That’s about 550 million years earlier than…
New research published today in Nature gives us a better idea of how much aerosols produced by people are influencing climate change. Aerosols — tiny particles produced naturally and by burning fossil…
The Intergovernmental Panel on Climate Change Fifth Assessment Report, authored by 209 lead authors, 50 review editors from 39 countries, and by more than 600 contributing authors from 32 countries, with…
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