帮我看看这个英语句子是否正确manypeoplearebeginningtobelievethatimprovingtherelationshipbetweenmenandnaturecanhelpushaveabetterlifeanddevelopment.andnaturecanhelpus这个之间是不是得加个引导词呢w

　　帮我看看这个英语句子是否正确

　　manypeoplearebeginningtobelievethatimprovingtherelationshipbetweenmenandnaturecanhelpushaveabetterlifeanddevelopment.

　　andnaturecanhelpus这个之间是不是得加个引导词呢

　　wasteswaterhavebeenpouringintotheriveroverthepastyears.这句话是否正确呢