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Greenpeace alleges 12 companies continued to trade with Madeireira Cedro Arana after its founder was accused of ordering torture and murder

More than a dozen US and European companies have been importing timber from a Brazilian logging firm whose owner is implicated in one of the most brutal Amazonian massacres in recent memory, according to a Greenpeace investigation.

The first-world buyers allegedly continued trading with Madeireira Cedro Arana after police accused its founder, Valdelir João de Souza, of ordering the torture and murder of nine people in Colniza, Mato Grosso, on 19 April, claims the report by the NGO’s Unearthed investigative team.

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Sandy, Bedfordshire The migration of these winter thrushes may be less of a trickle and more of a flood than our ears tell us

A flock of redwings were playing sky rounders in the park, flying from tree to tree, first base to second, second to third, not landing but pressing on, as if going for a home run. They came near enough that I heard their calls. But only two or three called out of a flock of 50 or more.

These winter thrushes seep into our consciousness all through the autumn. However, their migration may be less of a trickle and more of a flood than our senses tell us. My mind flashed back to windless evenings over the previous few weeks, punctuated by the “seep” of a redwing, a voice from above that was so high, so clear and so bright that it might have been a star crying out. An answering note would ping out from another bird, a link between travellers in the blackness. And then, perhaps, another. It was thrilling to think that these few sounds in the dark were contact calls for a whole mute squadron.

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We can make up 70% of Australia's projected gas shortfall simply by improving energy efficiency and sensible use of gas alternatives. Amandine Denis, Head of Research, ClimateWorks Australia, Monash University Licensed as Creative Commons – attribution, no derivatives.

There's a growing mob that thinks it can reinvent electricity, from old to new, and from a supply-dominated industry-based model to consumers-in-control.

A policy that doesn’t encourage additional generation capacity won’t reduce high power prices. Here are four essential fixes for the NEG.

The head of what will be Australia’s largest listed specialist solar investment fund is looking to tap the booming corporate solar sector.

BNEF says NEG under current targets would achieve little, and be akin to finally signing up to a gym, and then refusing to lift any weights.

CEFC tips $200m debt finance into QIC’s Global Real Estate flagship Shopping Centre Fund, in deal expected to deliver energy savings of between 30-40% using solar and energy efficiency.

Alinta dives back into coal, paying top dollar for Loy Yang B generator, suggesting it expects high prices and limp climate policies to continue.

Foreign policy paper says climate-related conflict and migration could put Australia’s economic interests under pressure

Climate change is creating a disaster on Australia’s doorstep, with environmental degradation and the demand for sustainable sources of food undermining stability in some countries, especially “fragile states”, according to the Australian government’s first foreign policy white paper in more than a decade.

The new white paper, released on Thursday, contains warnings over the disruptive effects of climate change in Australia’s immediate region, noting that many small island states will be “severely affected in the long term”, and the coming decade will see increased need for disaster relief.

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An 80MW wind farm to be built near Ararat after first-of-kind contract with powerful consortium of 14 universities, corporations and Councils.

Spread of light pollution is bad for the environment, animal life and humans, five-year study concludes

The world’s nights are getting alarmingly brighter – bad news for all sorts of creatures, humans included – as light pollution encroaches on darkness almost everywhere.

Satellite observations made by researchers during five consecutive Octobers show Earth’s artificially lit outdoor area grew by 2% a year from 2012 to 2016. So did nighttime brightness.

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Latest advice from Energy Security board makes it clear that on current policy settings the NEG will not reduce emissions, cut costs or invite new wind and solar investment. But there may be something else afoot - Malcolm Turnbull's vanity project.

But there is no reason to start drinking coffee for health reasons, the BMJ study found.

South Australian company opens new manufacturing facility and says it plans to build two grid scale 1GWh silicon storage systems in the state.

Tesla big battery fully installed and on time in South Australia, and about to be "energised" and tested by regulators and market operators.

There's been a 90% drop in the trade in wild birds around the globe mainly due to an EU ban, say researchers.

Satellite images show that artificially-lit areas are expanding around the world.

Neutrinos are famous for travelling through solid objects, but they don't go through everything, a study shows.

Improper use of antibiotics is one reason for the rise in antibiotic resistance, but new research shows that ingredients in common weed killers can also cause bacteria to become less susceptible. Jack Heinemann, Professor of Molecular Biology and Genetics, University of Canterbury Licensed as Creative Commons – attribution, no derivatives.