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Environment – Articles, Analysis, Comment

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BBC presenter Quentin Willson fills up at Nottingham’s hydrogen station. Nottingham University

Hydrogen car progress hasn’t stalled yet

The promise that hydrogen cars would help reduce carbon dioxide emissions from the transport sector has been with us for a couple of decades. Readers may well have wondered what, like hoverboards, has…
Do they have any idea what they’re doing? Or is it all an act? Stefan Rousseau/PA

Osborne won’t usher in a renewable renaissance

In a dramatic flourish of energy policy announcements over the past two weeks, the government’s spending review was merely the first act. Soon after, a British Geological Survey report revealed our huge…
Big farmers win big under agricultural policy, but change is in the air. Chris Ison/PA

After 50 years, Eurocrats still aren’t sure what the CAP is for

Reforming the European Union’s Common Agricultural Policy has never been easy, and that’s hardly surprising. It’s well established that when interests are concentrated together, such as those of farmers…
Is “fresh, farm-raised” a modern oxymoron? Natalie Maynor/Flickr

Beef or fish, Madam? Soon you might not have the choice

The amount of aquaculture produce worldwide - including farmed fish and shellfish - has now overtaken global beef production, by 64m tonnes to 57m tonnes. Perhaps more remarkably, we are on course to harvest…
Pollution face masks are not just for China. Dave Thompson/PA

Air pollution is not yet a thing of the past

It may seem odd for the European Commission to declare 2013 the “Year of the Air” in order to focus on improving air quality standards. Most would feel air pollution is a problem that has been more or…
The offshore industry need not be so dangerous if safety is put first. PA

The oil industry has yet to learn lessons of Piper Alpha

The explosions and fire that completely destroyed the North Sea oil rig Piper Alpha and cost 167 workers their lives remains the world’s worst offshore oil disaster. Saturday, July 6, marks 25 years since…
Actual botany is not like this. Rank Organisation/Allied Artists

The strange world of the carnivorous plant

Ever since their discovery, carnivorous plants have fascinated scientists and spurred the imagination of artists, writers and filmmakers. While the Puya chilensis cactus at the Royal Horticultural Society…
What will future cities look like, how will they be built? chiaralily/Flickr

The century of the sustainable city

The relationship between cities and sustainability has been rising up the international agenda over the past few decades. But the role of cities as centres of global economic development and their part…
Science or slaughter? EPA/Jeremy Sutton-Hibbert

On law, science and whales: the case of Australia v Japan

The International Court of Justice (ICJ) meets this week to begin hearing its most prominent case in years. It pits two heavyweights, Australia and Japan, against each other in a legal and political dispute…
Coral are among the sea organisms susceptible to small changes in acidity. NOAA/David Burdick

Ocean acidification is chemistry, not conjecture

As a scientist working on the impact of climate change on marine ecosystems, one of my duties is to communicate my work. My main goal is to convince students, citizens, economists and politicians that…
The Baltic Sea is choked by algal blooms. Jeff Schmaltz/NASA

Coastal dead zones on the rise

Sea-life needs oxygen to breathe just as animals on land do, and when oxygen levels in ocean water begin to fall sea creatures can suffocate just as we would. The result is often large expanses of ocean…
“Burgerisation” has made waste as common in the food system as take-away wrappers on streets. Niall Carson/PA

Food waste is the symptom, not the problem

Foundation essay: This article on food waste by Tim Lang, Professor of Food Policy at City University London, is part of a series marking the launch of The Conversation in the UK. Our foundation essays…
Fertiliser: essential for feeding the country, but you can have too much of a good thing. ILO in Asia and the Pacific

Easing China’s fertiliser habit will have global significance

A joint project between scientists in the UK and China has shown how improved methods of manufacturing nitrogen fertiliser and better use of it by farmers could reduce greenhouse gas emissions by hundreds…
The urban civilisation drawn to cities innovates and enriches. Even in Melbourne. melburnian/Flickr

In search of a formula with which to build better cities

When Isaac Newton produced his Laws of Motion in 1687, it led to speculation that his new gravitational force could explain the social forces between people. Thinkers put forward various arguments for…
Without taking action we’ll soon see the back of many species. Chris Ison/PA

Are birds worth the billions?

Birdlife International’s new report recommends a US$80 billion increase in annual spending in order to fully protect important bird biodiversity areas. This surely poses the question: are birds really…
Even starlings are “red listed” as threatened in the UK. Clive Gee/PA

An $80bn cry for help that will save more than just birds

BirdLife International’s State of the World’s Birds report hopes to demonstrate an urgent need for funding, advocacy, conservation action and monitoring to halt the global loss of birds and other wildlife…
The world’s first tidal energy converter, in Strangford Lough. Paul Faith/PA

The untapped potential of our tides

One of the great, untapped natural resources for creating renewable energy is from the tides. The world’s total ocean potential for tidal power is estimated to be 1,800TW/h per year, roughly sufficient…
Frack orf: fracking hasn’t had the same reception here as it has in the US. Georgie Gillard/PA

Laying down the law over fracking

Foundation essay: This article on the different international attitudes to fracking by Professor John Paterson, Chair in Law at Aberdeen University, is part of a series marking the launch of The Conversation…
The Blue Marble: who’s pulling the strings here? NASA

Even if Earth changes, life will continue with or without us

It seems somewhat eccentric if not a little absurd to suggest that a planet is a living thing. Earth has life on it, but it’s not a biological organism. Any theory or argument which concludes that the…
The finer points of Abenomics are not lost on this guy. ippei-janine

Japan’s PM has frog in throat as ecological crisis looms

Japanese PM Shinzō Abe has a problem, and he might end up killing an awful lot of frogs to solve it. Shares are up in Japan, but everything else has flatlined: kick-starting the stubbornly moribund economy…
Blue sky thinking won’t get nuclear over the line. tj blackwell

To reach emissions targets, government must invest in nuclear

There are few more important pieces of legislation under discussion in the UK than the Electricity Market Reform Bill. Though noble in its ambition to re-sculpt the energy landscape from a dependence on…
Chagos: more marine life than practically anywhere else, and Captain Bird’s Eye is getting his hands on none of it. Anne Sheppard/Chagos Trust

The Chagos Islands are unique and worth protecting

The Chagos Islands marine protected area is the largest of its kind in the world, encircling the dozens of tiny islands of the Chagos archipelago that lie in thousands of miles of Indian Ocean between…
On thin ice? Alan D. Wilson/naturespicsonline.com

All eyes turn to the prize as the Arctic opens for business

Foundation essay: This article on the future of the Arctic by Tavis Potts, Senior Lecturer in Oceans Governance at the Scottish Association for Marine Science, is part of a series marking the launch of…