Question: What environment did both Dirk Frimout and Klaus-Dietrich Flade work in?

Context paragraphs:
Dirk Frimout: Dirk Dries David Damiaan, Viscount Frimout (born 21 March 1941 in Poperinge, Belgium) is an astrophysicist for the European Space Agency.  He flew aboard NASA Space Shuttle mision STS-45 as a payload specialist , making him the first Belgian in space .

Uri Simonsohn: Uri Simonsohn is a social psychologist and an associate professor in the Operations, Information & Decisions Department (OIDD) at the Wharton School of the University of Pennsylvania.  He worked on a project on false positives, and found that the data that social psychologist Dirk Smeesters collected in his papers did not seem to be real.  He later posted a paper in Social Science Research Network that described the statistical method he used to expose suspiciously looking data in the work of Dirk Smeesters and Lawrence Sanna.  His investigation ultimately led Erasmus University Rotterdam to lead its own investigation, which led to Smeester's resignation.  Lawrence Sanna, similarly, resigned in May 2012.  His work on detecting fraudulent work on psychology and economics was featured in a podcast with Julia Galef.

Swedish Work Environment Authority: The Swedish Work Environment Authority (SWEA) (Swedish: "Arbetsmiljöverket" , abbreviated "AV") is a Swedish administrative authority sorting under the Ministry of Employment, responsible for issues relating to the working environment and work injury statistics.  The agency is tasked by the Government with issuing regulations, should spread information and furnish advice on occupational safety and health (OSH), and the relating labour laws, in particular the Work Environment Act (AML).  This is primarily done with the Work Environment Authority's Statute Book (AFS), which contains provisions and general recommendations specifying the requirements to be met by the work environment.  The agency also publishes other books, brochures, reports and should promote collaboration between parties on the labour market, on issues relating to OSH.  Furthermore, the agency has a supervisory role for the compliance of the occupational health legislation, the Working Hours Act (SFS 1982:673) and, in certain aspects, the Tobacco Act (SFS 1993:581) and the Environmental Code (SFS 1998:808).  This is usually done with inspections, and for this purpose, the agency has the right to issue stipulations and injunctions to any non-compliant employer.

Frank De Winne: Frank, Viscount De Winne (born 25 April 1961, in Ledeberg, Belgium) is a Belgian Air Component officer and an ESA astronaut.  He is Belgium's second person in space (after Dirk Frimout).  He was the first ESA astronaut to command a space mission when he served as commander of ISS Expedition 21.  ESA astronaut de Winne serves currently as Head of the European Astronaut Centre of the European Space Agency in Cologne/Germany (Köln).

Summer Pitt: Summer Pitt is a fictional character in the Dirk Pitt series of adventure novels written by Clive Cussler.  she is the title character's daughter.  She and her twin brother, Dirk Pitt, Jr. were raised by their mother, Summer Moran, without Dirk's knowledge.  Upon reaching adulthood, and following their mother's death, they reunited with their father.  Both she and her brother work as researchers for NUMA.  She looks exactly like her mother: she is six feet tall, with flaming red hair and pearl grey eyes.  In "Treasure of Khan", Summer is kidnapped on a diving expedition and later escapes with the help of her brother.  Along with her brother and father, she discovers a secret underwater cave.

Canberra and South East Region Environment Centre: The Canberra Environment Centre (CEC) is the oldest environmental organisation in the Australian Capital Territory (ACT).  It formed in 1974 as an umbrella group to represent and provide services for other environment or environment-related groups.  In 2005 it changed its trading name to Canberra Environment Centre (formerly the Canberra and South East Region Environment Centre (CASEREC)) to better reflect the direction of the environment movement and the work it was undertaking in the community.  Member groups of the Centre over the years have included the Canberra Organic Growers Society, Canberra Ornithologists Group, Friends of Grasslands, Nature and Society Forum, Zero Waste Australia, South East Forest Alliance, Canberra Bushwalkers, National Park Association of the ACT and Pedal Power.  The Centre also has an affiliation with the Conservation Council of the ACT (ConsACT).

Nordstemmen station: Nordstemmen station is located on the Hanover–Göttingen railway and the Hildesheim–Löhne railway in the town of Nordstemmen in the German state of Lower Saxony.  The station building was built by Conrad Wilhelm Hase (1853–1854), but it has not been used by Deutsche Bundesbahn or Deutsche Bahn since 1977.  Since 2011, the Hildesheim contractor Dirk Bettels has tried in vain to acquire and rehabilitate the grade II heritage-listed station building with public funds.  Construction work begun by Dirk Bettels was discontinued at the end of March 2013 because no contract had been signed by Deutsche Bahn.

Dirk Kaesler: Dirk Kaesler (born in Wiesbaden on 19 October 1944 as "Dirk Käsler") is a German sociologist and Max Weber expert.  Now retired, he was formerly Professor of Sociology at the University of Marburg.  He is the author of "Max Weber: An Introduction to his Life and Work", first published by the University of Chicago Press in 1988.

Labor and the environment: Labour and the environment are two different concepts that can be linked as one.  Labour is defined as a task that is performed, typically for an economic return.  Environment is defined as air, water, minerals, organisms, and all factors that contribute to ecology.  It is the gregarious and cultural pressures that builds the lives of individuals or an entire population.  Human labour in the forms of Logging, Mining, and Tourism, have negatively impacted the functions of the environment in various countries that are part of the Organization for Economic Cooperation and Development (OECD) forum.  The OECD is a list of 34 countries whose governments work together to ensure that the market economies function accordingly and strive to increase economic growth, wealth and sustainable development.  The impacts of labour on the environment have been so large that many corporations and campaigns have begun, striving to change the way humans exert their abilities on the environment by implementing policies to limit negative outcomes.

Klaus-Dietrich Flade: Klaus-Dietrich Flade (born August 23, 1952) is a German pilot and former German Aerospace Center astronaut who visited the Mir space station in 1992 aboard the Soyuz TM-14 mission, returning to Earth a week later aboard Soyuz TM-13.

Supporting paragraphs: Dirk Frimout Klaus-Dietrich Flade
Answer: Space