Fiona Harvey

Tuna and mackerel populations suffer catastrophic 74% decline, research shows

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WWF says we risk losing species critical to human food security unless action is taken to halt overfishing and other threats to marine life

Air pollution will kill thousands in Europe, EEA warns

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EU environment watchdog blames governments for failing to act on air pollution warnings saying it will lead to premature deaths across the countries

Organic farming not always best for environment, says government adviser

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Lord Krebs claims that organic farming needs more land than conventional methods to produce the same yield

Global warming will cut wheat yields, research shows

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Production of wheat – one of the world’s most important staple crops – is set to fall by 6% for every 1C rise in temperature, say scientists

Europe’s record hot year made at least 35 times more likely by climate change, say scientists

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2014 is set to be Europe’s warmest year on record and greenhouse gas emissions played a major role new research shows