Resumen de Greening, but not so great
Half of the Earth's vegetated surface has become significantly greener in the past three decades. Plants in many regions--from stocky shrubs of the Arctic to towering trees of the rainforest--are growing more and bigger leaves, according to the latest evidence. Leaf for leaf, it's as if 4.4 billion giant sequoia trees have been added to Earth. Here, Hefferman discusses how climate-change deniers will say evidence of carbon pollution making Earth more verdant is all good news
