Common signs and symptoms of PCOS include the following: 1  Menstrual disorders: PCOS mostly produces oligomenorrhea (fewer than nine menstrual periods in a year) or amenorrhea (no menstrual periods for three or more consecutive months), but other types of menstrual disorders may also occur.
Environmental law is a law that was passed in the 1970, and is known as the National Environmental Policy Act. This law was passed along with another environmental act known as the Environmental Quality Improvement Act.The purpose of these laws was to protect the environment from public or private actions that could cause damage.nvironmental law is a combination of three things: the first is the statute that is passed through Congress.
After taking most of the past decade to pass through the legislative process, the Clean Air Act finally went into effect on January 1. It was passed into law in 2008. By comparison, the first Clean Air Act in the US went into effect in 1970. Nevertheless, the Clean Air Act is the first sweeping legislation governing air pollution in the country.