Ali Yachkaschi (in Persian علی یخکشی - alternative spellings: Ali Yakhkeshi) (1939 in Behshahr, Iran) is an Iranian professor of Environmental science, environmental activist and author.
 Following his high school diploma, he left Iran to continue his higher education at the University of Göttingen in Germany.
 He achieved a B.Sc, M.Sc as well as a PhD degree in management and policy of natural resources from the University of Göttingen.
 He is known as the “Father of Environmental Sciences in Iran”, due to his outstanding efforts and achievements to publicize the awareness to environmental protection in the country, including the foundation of environmental sciences as an independent field of study in 1974 at the University of Tehran, Iran.
N. K. Sukumaran Nair (born 6 June 1942) is an acclaimed Environmental Activist and General secretary of Pampa Samrakshana Samithi (PSS).
 He was born at Poovathur in Pathanamthitta District, Kerala State.
 He is the recipient of Jaiji Peter Foundation Gold medal and citation for the State's best environmental activist in the year 2007.
 He has been spending his time and energy for the past several years to save the Pamba River.
Kenule Beeson "Ken" Saro-Wiwa (10 October 1941 – 10 November 1995) was a Nigerian writer, television producer, environmental activist, and winner of the Right Livelihood Award and the Goldman Environmental Prize.
 Saro-Wiwa was a member of the Ogoni people, an ethnic minority in Nigeria whose homeland, Ogoniland, in the Niger Delta has been targeted for crude oil extraction since the 1950s and which has suffered extreme environmental damage from decades of indiscriminate petroleum waste dumping.
 Initially as spokesperson, and then as president, of the Movement for the Survival of the Ogoni People (MOSOP), Saro-Wiwa led a nonviolent campaign against environmental degradation of the land and waters of Ogoniland by the operations of the multinational petroleum industry, especially the Royal Dutch Shell company.
 He was also an outspoken critic of the Nigerian government, which he viewed as reluctant to enforce environmental regulations on the foreign petroleum companies operating in the area.
Norma Alvares is an Indian social worker, environmental activist, lawyer and a founding member of "Goa Foundation", an environmental action group.
 An alumnus of St. Xavier's College, Mumbai, she graduated in law and entered environmental activism.
 Under the aegis of Goa Foundation, she initiated a public interest litigation (PIL), in 1987, to save the sand dunes of Goa, the first ever PIL filed in the state.
 She has been involved in over 100 PILs and has served as an amicus curiae.
 Her efforts are reported in winning a favourable court order for blocking a DuPont factory and in another one which restricted the mining activities in Goa.
 She is the president of "People for Animals", an animal support group and is the founder of "Other India Book Store" and Other India Press, environmental initiatives.
 Alvares is married to Claude Alvares, a known environmental activist and the couple lives in Parra, Goa with their three children, Rahul, Samir and Milind.
 She was honored by the Government of India, in 2002, with the fourth highest Indian civilian award of Padma Shri
Erin Brockovich (born June 22, 1960) is an American legal clerk and environmental activist, who, despite her lack of formal education in the law, was instrumental in building a case against the Pacific Gas and Electric Company (PG&E) of California in 1993.
 Her successful lawsuit was the subject of a 2000 film, "Erin Brockovich", which starred Julia Roberts.
 Since then, Brockovich has become a media personality as well, hosting the TV series "Challenge America with Erin Brockovich" on ABC and "Final Justice" on Zone Reality.
 She is the president of Brockovich Research & Consulting.
 She also works as a consultant for Girardi & Keese, the New York law firm of Weitz & Luxenberg, which has a focus on personal injury claims for asbestos exposure, and Shine Lawyers in Australia.
Tom Clements (born 1951) is a South Carolina environmental activist and politician.
 Clements was the Green Party's nominee in the 2010 United States Senate election in South Carolina.
 Clements received more than 9% of the general election.
 He is the Southeastern Nuclear Campaign Coordinator for the US branch of Friends of the Earth in Columbia, South Carolina.
 Clements worked as the campaign manager for Democratic Congressman Doug Barnard, Jr. in the 1980s and as well as a long environmental activist with Greenpeace and the Nuclear Control Institute.
Perry Weitz is an American attorney and partner at the Manhattan law firm Weitz & Luxenberg, which he co-founded in 1986.
 He is also the co-chairman of Counsel Financial, a financing company that gives loans to small law firms that specialize in personal injury.
 In 2015, Weitz and his firm were caught in a scandal involving referral fees for asbestos victims via kickbacks to New York State Assembly Speaker Sheldon Silver, who was convicted on corruption and bribery charges.
Alexander William Milligan (1858 – 30 March 1921) was an Australian accountant, legal clerk, zoological collector and ornithologist.
Weitz & Luxenberg P.C. is a large personal injury and medical malpractice law firm headquartered in New York, specializing in asbestos litigation.
 Overall, the firm has won over $6.5 billion for its clients.
 The firm also specializes in medical malpractice, consumer protection and environmental protection litigation.
 Erin Brockovich, the woman made famous by Julia Robert's portrayal of her in the movie "Erin Brockovich", works with the firm on environmental cases as of 2008.
West Coast Environmental Law is an environmental law and public advocacy organization based in Vancouver, British Columbia, Canada.
 It believes in a just and sustainable society where citizens are empowered to protect the environment and environmental protection is enshrined in law.
 It fulfills its mission in a variety of ways.
 First, it works to shape existing and future environmental policies in British Columbia and in Canada.
 Work in this area spans a variety of topics including green communities, climate change, energy, forests and land use, aboriginal law and environmental assessment.
 Second, it provides free legal advice regarding environmental issues, and it provides grants, through its Environmental Dispute Resolution Fund, to individuals or groups who need to hire legal representation to resolve an environmental conflict.
 Third, it tracks and analyzes developments in British Columbian and Canadian environmental policy, and distributes this information to the public, through its Environmental Law Alert Blog, monthly Legal E-Brief newsletter, and Facebook, Twitter and YouTube pages.

Question: Weitz & Luxenberg P.C. works with which American legal clerk and environmental activist?
Answer: Erin Brockovich