Jan Clark is an environmentalist

Environmentalist

An environmentalist broadly supports the goals of the environmental movement, "a political and ethical movement that seeks to improve and protect the quality of the natural environment through changes to environmentally harmful human activities"...

 and politician

Politician

A politician, political leader, or political figure is an individual who is involved in influencing public policy and decision making...

 in the United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

.

Living in South Ferriby

South Ferriby

South Ferriby is a village in North Lincolnshire, England situated on the south bank of the Humber Estuary 5 km west of the Humber Bridge and directly opposite North Ferriby on the Estuary’s north bank. It currently has a population of around 600 people.-History:It dates back at least to Roman...

, North Lincolnshire

North Lincolnshire

North Lincolnshire is a unitary authority area in the region of Yorkshire and the Humber in England. For ceremonial purposes it is part of Lincolnshire....

, Clark worked as a deputy headteacher

Teacher

A teacher or schoolteacher is a person who provides education for pupils and students . The role of teacher is often formal and ongoing, carried out at a school or other place of formal education. In many countries, a person who wishes to become a teacher must first obtain specified professional...

. In 1982, she joined the Ecology Party, following concerns about nitrate

Nitrate

The nitrate ion is a polyatomic ion with the molecular formula NO and a molecular mass of 62.0049 g/mol. It is the conjugate base of nitric acid, consisting of one central nitrogen atom surrounded by three identically-bonded oxygen atoms in a trigonal planar arrangement. The nitrate ion carries a...

 levels in drinking water. At the European election, 1989, she stood in Humberside

Humberside (European Parliament constituency)

Humberside was a European Parliament constituency, covering most of the Humberside district of England.Prior to its uniform adoption of proportional representation in 1999, the United Kingdom used first-past-the-post for the European elections in England, Scotland and Wales...

, taking 14% of the votes cast.

In 1990, she became the renamed Green Party

Green Party (UK)

The Green Party was a Green political party in the United Kingdom. It has been succeeded by three political parties:* the Green Party of England and Wales* the Green Party in Northern Ireland* the Scottish Green Party- PEOPLE, 1973–1975 :...

's first member of Glanford

Glanford

Glanford was, from 1974 to 1996, a local government district with borough status in the non-metropolitan county of Humberside, England.-Creation:...

 District Council. From 1993 until 1995, she served as a Principal Speaker

Principal Speaker

Principal Speakers were the public spokespersons of the Green Party of England and Wales but have since been replaced in the party by a national Leader and Deputy Leader...

 of the Green Party of England and Wales

Green Party of England and Wales

The Green Party of England and Wales is a political party in England and Wales which follows the traditions of Green politics and maintains a strong commitment to social progressivism. It is the largest Green party in the United Kingdom, containing within it various regional divisions including...

.