1The Royal Horticultural Society (RHS), which runs the annual show in west London, says it has introduced the ban because of the damage plastic grass does to the environment and biodiversity.
主干主语：The Royal Horticultural Society (RHS)；谓语：says；宾语：it has introduced the ban…
结构主语后接非限制性定语从句 which runs… 补充说明 RHS。谓语 says 后接省略 that 的宾语从句。从句中 because of 引出原因状语，其中 the damage 后跟省略关系代词的定语从句 plastic grass does to…，修饰 damage。
译文主办伦敦西部这一年度花展的皇家园艺学会表示，之所以出台禁令，是因为人造草坪会损害环境和生物多样性。
考点非限制性定语从句 which 补充机构身份 · damage 后接省略 that/which 的定语从句
2We recommend using real grass because of its environmental benefits, which include supporting wildlife, alleviating flooding and cooling the environment.
主干主语：We；谓语：recommend；宾语：using real grass
结构recommend 后接动名词作宾语。because of 引出原因状语。benefits 后非限制性定语从句 which include…，include 后三个并列动名词短语作宾语，说明具体益处。
译文我们建议使用真草，因为它对环境有益，包括为野生动物提供栖息、缓解洪涝以及给环境降温。
考点recommend doing 结构 · which 引导非限制性定语从句，后接并列动名词
3However, supporters of fake grass point out that there is also an environmental impact with natural lawns, which need mowing and therefore usually consume electricity or petrol.
主干主语：supporters of fake grass；谓语：point out；宾语：that 从句
结构point out 后接 that 宾语从句，从句为 there be 句型。natural lawns 后非限制性定语从句 which need mowing，and therefore 连接结果：usually consume…，说明修剪带来的能耗。
译文不过，人造草坪的支持者指出，天然草坪同样有环境影响：需要修剪，因而通常要消耗电力或汽油。
考点point out that 宾语从句 · which 定语从句中 and therefore 表因果衔接
4The industry also points out that real grass requires considerable amounts of water, weed killer or other treatments and that people who lay fake grass tend to use their garden more.
主干主语：The industry；谓语：points out；宾语：两个并列 that 从句
结构points out 后两个并列 that 宾语从句，由 and 连接。第二个从句中 people 后限制性定语从句 who lay fake grass；tend to do 表示倾向。or 连接 water、weed killer、other treatments 作 amounts of 的并列对象。
译文业界还指出，真草需要大量用水、除草剂或其他处理，而铺设人造草坪的人往往更常使用花园。
考点并列 that 宾语从句 · who 限制性定语从句修饰 people
5However, the use of artificial grass must comply with the legal and policy safeguards in place to protect biodiversity and ensure sustainable drainage while measures such as the strengthened biodiversity duty should serve to encourage public authorities to consider sustainable alternatives.
主干主语：the use of artificial grass；谓语：must comply with；宾语：the legal and policy safeguards
结构in place 后不定式 to protect…and ensure… 作目的状语，修饰 safeguards。while 连接并列分句表对照。后一分句主语 measures，such as 举例；should serve to do 表示应起到的作用，encourage sb. to do 为复合宾语。
译文不过，人造草坪的使用必须符合现行法律与政策保障，以保护生物多样性并确保可持续排水；同时，强化生物多样性职责等措施应促使公共机构考虑可持续替代方案。
考点in place to do 表现行措施及其目的 · while 连接对照分句；serve to do / encourage sb. to do