这种花也许是气候变化对该地区影响的最佳象征，它的颜色会随着温度及光照的变化而变化。
The flower is perhaps the best symbol of the effects of climate change in the region as its colour changes according to temperature and exposure.
热带地区光照资源更丰富——因此更有利于光合作用——这一点可以解释为什么温暖的气候可以产生更多的生物(或生物量，这点为生态学家们所共知)。
That there is more sunlight-and so more opportunity for photosynthesis-at the tropics explains why warm climates create more living matter (or biomass, as it is known to ecologists).
确保你种植番茄的地方能接受八个小时的阳光照射，如果你住在气候较为凉爽的北方，这一点就尤为重要。
Make sure to grow your tomatoes where they'll receive eight hours of full sun, especially if you live in a cooler northern climate.
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