A sperm whale goes down for a dive off Kaikoura, New Zealand. Heidi Pearson

Protecting marine life could slow climate change

Protecting forests and wetlands, which absorb and store carbon, is one way to slow climate change. Scientists are proposing similar treatment for marine animals that help store carbon in the oceans.
A female blacklegged deer tick crawls along a piece of straw. (Shutterstock)

Tick, tock: The countdown to peak tick season is here

Ticks are generally inactive in the winter and start to look for their next meal as temperatures warm up. But as winters warm, every season may become tick season.
An artist’s impression of a flying car. Costazzurra/Shutterstock

Flying cars could cut emissions

With further technology required and practical uncertainties, time is running out for them to be useful in the fight against climate change.
Carnivorous bullfrog tadpoles don’t even spare their own. Author supplied

Killer tadpoles threaten frogs

A new study reveals that it’s not only adult bullfrogs that pose a threat but their tadpoles do, too.
The Melbourne vegan protests prompted a social media backlash. David Crosling/AAP

Well-intentioned vegan protesters are wrong

Animal-rights protesters have grabbed headlines this week, but research shows antagonism is not always effective.
The exploitation of fossil fuels emits CO₂, the main cause of global warming. Zbynek Burival/Unsplash

How humans derailed the climate in just 160 years

The Earth’s past shows the key role of CO₂ on climate for 4.45 billion years, and how human industrial activity has disrupted its cycle at an unprecedented rate over the past 160 years.
The Mackenzie River carves its way through the permafrost tundra of northern Canada. inEthos Design / shutterstock

Thawing permafrost is triggering Arctic landslides

Climate change has caused a 60-fold increase in active landslides on one Canadian Arctic island.
These photovoltaics panels provide this village with energy now, but they could become obsolete when the main grid arrives. (Shutterstock)

Safeguarding renewable energy infrastructure

Small-scale renewable energy projects can power rural areas not connected to the main grid. But investors may hesitate if future electrification remains unpredictable.

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