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Cats are wreaking havoc on Australia's ecosystems and non-lethal methods aren't enough. John Read, Associate Lecturer, Ecology and Environmental Sciences, University of Adelaide Katherine Moseby, Research fellow, UNSW Licensed as Creative Commons – attribution, no derivatives.

The marine behemoths, which can weigh more than 10,000 pounds, are returning in numbers not seen in decades

Giant basking sharks have reappeared off the coast of southern California in numbers not seen in decades.

“The sight just takes your breath away – it’s magic,” said Lotti Keenan, who saw nearly a dozen basking sharks while on a whale-watching cruise in April. Three of them circled the boat. “We knew this was such a rare thing. And people on the boat were screaming with excitement – it was like you were at a soccer game.”

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Refundable charge to be added to glass and plastic bottles and drinks cans sold in any shop

Consumers in Scotland will have to pay a 20p deposit on every bottle or drinks can they buy from shops under an ambitious new scheme unveiled by the Scottish government.

The deposit return scheme, the first national scheme in the UK, will cover glass and plastic bottles, as well as aluminium and steel drinks cans, sold from any shop in Scotland.

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Dams, levees, hydropower and habitat degradation behind fragmentation on huge scale, finds global assessment

Only a third of the world’s great rivers remain free flowing, due to the impact of dams that are drastically reducing the benefits healthy rivers provide people and nature, according to a global analysis.

Billions of people rely on rivers for water, food and irrigation, but from the Danube to the Yangtze most large rivers are fragmented and degraded. Untouched rivers are largely confined to remote places such as the Arctic and Amazonia.

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US regional grid operator PJM is aiming to release a study on incorporating a CO2 charge into the wholesale power market by the end of the summer, coming after a committee recently endorsed utility requests to conduct analyses on the topic.

Keen to lure the endangered creatures into gardens, some people are overfeeding them with competitive menus – and doing more harm than good

Name: The obesity crisis.

Age: Very modern.

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Did you know that fewer people have been to the deepest part of the ocean than have been to the moon? We talk to a modern-day Captain Nemo who has plumbed the depths and discovered over 100 new marine species.

The Whipple Museum contains 10,000 scientific instruments with many dating from the 17th Century.

Eight countries propose the strategy - but nations such as Germany oppose strengthening commitments.

South Korean carbon allowances again rose to new record highs in Wednesday trade, but later in the day the monthly KAU auction settled 4.6% below the secondary market.

Report finds popular parks such as Yosemite and Joshua Tree have pollution at levels that threaten visitors and wildlife

Millions of tourists will head out into America’s national parks this summer in search of fresh mountain air. But according to a new report they should instead expect dangerous levels of pollution; roughly 96% of the nation’s parks are struggling with significant air quality issues.

The report, released yesterday by the National Parks Conservation Association (NPCA), found that some of the most popular parks, including Sequoia, Kings Canyon and Joshua Tree national parks and Mojave national preserve, were among the worst offenders. Last year, these parks recorded up to two months where ozone levels were considered dangerous –mostly in summer when visitation is at its highest.

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Learn how to survive and thrive in carbon markets by joining us at the 4th annual CARBON FORWARD conference & training day where we will be joined by the pre-eminent experts to discuss a programme developed by environmental market experts and based on feedback from companies like yours.

Australia’s opposition Labor party would likely pursue bilateral agreements for carbon trading as part of a beefed-up Safeguard Mechanism if elected as an international market under the Paris Agreement will take time to develop.

Out of 23 countries, only Saudi Arabia and Indonesia had higher proportion of doubters

The US is a hotbed of climate science denial when compared with other countries, with international polling finding a significant number of Americans do not believe human-driven climate change is occurring.

A total of 13% of Americans polled in a 23-country survey conducted by the YouGov-Cambridge Globalism Project agreed with the statement that the climate is changing “but human activity is not responsible at all”. A further 5% said the climate was not changing.

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Run by the Society of German Nature Photographers (Gesellschaft Deutscher Tierfotografen), the prestigious annual contest celebrates the best wildlife photography from members in Germany. Here are this year’s winners

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Confusion and frustration in the Sunshine state as the government seeks to justify new rules that will add costs to solar farms and make some installations impossible.

The post Solar Insiders Podcast: What is going on in Queensland? appeared first on RenewEconomy.

Butler says Melissa Price and Angus Taylor have refused invitations to debate climate and energy policies at National Press Club.

The post Butler says Coalition missing on climate, and won’t even debate appeared first on RenewEconomy.

A new storage technology involving a modified construction crane and an electric motor putting 35 tonne bricks on top of each other to build a tall, free-standing tower is providing long duration energy storage.

The post Could this ingenious long-term storage method make batteries obsolete? appeared first on RenewEconomy.

The winner of the $50,000 Moran contemporary photographic prize has been announced as Tamara Dean for her image titled Endangered, part of a series which explores climate change and the Great Barrier Reef. We take a deep dive into Dean’s work over the past three years and see how it has evolved to explore her profound concern for the planet

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Australia relies on Indigenous people to meet our conservation goals, but they're short-changed by federal funding. Noel D Preece, Adjunct Asssociate Professor, James Cook University Licensed as Creative Commons – attribution, no derivatives.