We ate grass, but as the weather grew warmer, forests spread and there was less grass to eat.

我们吃草，但随着天气变暖，森林蔓延，可吃的草越来越少。

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I set off with my husband in early October, hoping for clear, cold weather and mountains clad in scarlet and gold forests.

十月初，我和我丈夫打点好行囊，目标是找到清冷纯净的空气，还有覆满红色和金色森林的群山。

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You have a choice of weather and landscape, from snowy Alaska to baking Texas, from the mountains of Colorado to the forests of Maine.

你能选择适合自己的气候和地形，从被冰雪覆盖的阿拉斯加到被蒸笼笼罩的德克·萨斯，从科罗拉多的绵绵山脉到缅因州的广袤森林。

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Scientists recently discovered that once the snow melts in the Earth's northern forests, the surface releases a significant amount of heat into the overlying atmosphere that influences global weather systems.

BBC: Earthshine map helps predict weather