警告信的签署者中有鲍勃·约翰逊，他是“生态足迹”概念的发起人，此概念衡量的是维持一个特定生活方式所需的环境投入总量。
Among the signatories of the warning was Bob Johnson, the originator of the "ecological footprint" concept, which measures the total amount of environmental input needed to maintain a given lifestyle.
一般来说，牛羊肉每克蛋白质所产生的生态足迹最大。
In general, beef and lamb have the biggest climate footprint per gram of protein.
研究表明，吃肉较多的人可以通过转向纯素饮食将食物相关的生态足迹减少三分之一或更多。
Studies have shown that people who eat a meat-heavy diet can reduce their food-related footprint by one third or more by moving to a vegan diet.
从冰天雪地的冻土地带到热带雨林地区，再到寸草不生的茫茫荒漠，地球上每一个生态环境中都有人类的足迹。
Human beings fill every ecological niche on the planet, from the icy tundra to the tropical rain forests to the deserts.
从冰天雪地的冻土地带到热带雨林地区，再到寸草不生的茫茫荒漠，地球上每一个生态环境中都有人类的足迹。
Human beings fill every ecological niche on the planet, from the icy tundra to the tropical rain forests to the deserts.
应用推荐