HUMANS are just one of the millions of species on Earth, but we use up almost a quarter of the sun's energy captured by plants - the most of any species. The human dominance of this natural resource is affecting other species, reducing the amount of energy available to them by almost 10 per cent, scientists report. Researchers said the findings showed humans were using "a remarkable share" of the earth's plant productivity "to meet the needs and wants of one species". They also warned that the increased use of biofuels - such as ethanol and canola - should be...