Representatives. The United States is divided into 435 congressional districts â 36 in Texas â each with a population of about 710,000 individuals. Each district elects a representative to the House for a two-year term. Representatives are also called congressmen/congresswomen.
Confronting the Causes of Urban Sprawl. Causes of urban sprawl include: 1  Consumer and real estate industry preference for large houses and large lawns.  Dislike of housing density by a vocal and often uninformed minority that equates density with public housing, undesirable apartment complexes and rental tenants, and traffic and noise.
Quick Answer. Many human activities cause pollution, habitat destruction and climate change, all of which are destructive to ecosystems. According to the World Wildlife Fund, the use of pesticides and fertilizers on farms has increased 26-fold over the last 50 years, which has caused increased damage to streams, rivers, lakes and the worldâs oceans.