EarthDumping iron in the ocean may not fix the climate The efficiency of artificial iron fertilisation could be as much as 50 times lower than previous estimates, says a new study ¿ìè¶ÌÊÓÆµ
EarthReflective crops could keep us cool Planting varieties of crops with a higher albedo could reduce summertime temperatures in North America and Eurasia by as much as 1 °C ¿ìè¶ÌÊÓÆµ