Scientists behind the most comprehensive analysis to date of the damage farming does to the planet found that avoiding meat and dairy products was the single biggest way to reduce humans’ environmental impact.
Scientists ：主语。
behind the most comprehensive analysis to date：介词短语作定语，修饰主语Scientists。
of the damage farming主语部分 does to the planet谓语部分：OF+从句作定语修饰数据data.
found：谓语，后面接了一个宾语从句。
that avoiding meat and dairy products 主语部分was the single biggest way to reduce humans’ environmental impact谓语部分.
科学家们对 人类在地球上的破坏性耕种数据，进行了深入广泛的分析，然后发现：唯一高效减少人类对环境负面影响的方法是----拒吃：肉制品和奶制品！
句子主干：Scientists ...found that ...... 科学家发现...
主语部分：behind the most comprehensive analysis to date of the damage farming does to the planet 整个是介词短语，修饰名词。短语中又套了定语从句。
先理解意思：迄今为止农业对地球造成的破坏最全面的分析背后
“behind the most comprehensive analysis to date of the damage ”其中，
* to date of the damage迄今为止的破坏。"(that定语从句)farming does to the planet"意思是”：迄今为止农业对地球的破坏
*“the most comprehensive analysis”最全面的分析
3. 宾语从句：that
* 从句主语：avoiding meat and dairy products
*从句谓语 was
*从句宾语the single biggest way to do sth
