Complex sentence: Contrasting big dams, check dams have a faster implementation timeline, are cost effective, and are smaller in scope--their implementation will not displace people or communities nor will they destroy natural resources if careful design considerations are undertaken.
Split into simpler sentences: Contrasting big dams, check dams have a faster implementation timeline, are cost effective, and are smaller in scope. Because of this, their implementation will not typically displace people or communities nor will they destroy natural resources if careful design considerations are undertaken.