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  • Have humans tilted the climate books out of balance?

    Have humans tilted the climate books out of balance?

    In the great book-keeping of climate change, scientists have just discovered a big mistake. They have been wrong, they now think, to count on the mountains, the plains, the forests and the grasslands as an agency that slows climate change by ...

    Tim Radford

  • Population growth data is bad news for the climate

    Population growth data is bad news for the climate

    The demographers may have got it wrong. New projections say the population of the planet will not stabilise at 9 billion sometime this century. In fact, there is an 80% likelihood that, by 2100, it will reach at least 9.6 bn − and maybe rise ...

    Tim Radford

  • Food security faces growing pest advance

    Food security faces growing pest advance

    Coming soon to a farm near you: just about every possible type of pest that could take advantage of the ripening harvest in the nearby fields. By 2050, according to new research in the journal Global Ecology and Biogeography, those opportunistic ...

    Tim Radford

  • Arctic warming blamed for dangerous heat waves

    Arctic warming blamed for dangerous heat waves

    Few people have heard of Rossby waves and even less understand them, but if you are sweltering in an uncomfortably long heat wave, then they could be to blame. New discoveries about what is going on in the atmosphere are helping to explain why heat ...

    Paul Brown