Sustainable Lifestyles Research Assistant

Hot or Cool Institute is a non-profit think tank that works with experts, organisations, and practice communities on science-based actions to address the magnitude, urgency, and scope of peaceful and deliberate transition towards a sustainable society. Through collaborative methods Hot or Cool:

  • Conducts policy research and analysis to establish science-based approaches to behaviour change and sustainable lifestyles
  • Coordinates science-communications and outreach to make complex sustainability issues accessible
  • Facilitates co-creation of solutions backed by researched understanding and experience
  • Designs capacity development for implementation and tools for action at individual, business and government levels.

We are looking for a working student to support our work on sustainable lifestyles. The Sustainable Lifestyles Research Assistant will have the opportunity to contribute to the development of a cutting-edge tool to collect data on sustainable lifestyles levers and barriers across countries and engage in strategies to promote sustainable lifestyles and tackle the climate crisis.

The working student will have access to the extensive network of leading organisations and experts which regularly work with Hot or Cool, and will have the opportunity to further their personal and professional development.

Tasks and responsibilities

The Sustainable Lifestyles Research Assistant will perform the following tasks:

  • Collect consumption and carbon footprint data and implement calculations for the continuous development of the Positive and Sustainable Lifestyles (PSL) tool as part of the PSL project
  • Support the development and use of the PSL database, an interface to present lifestyle data to be used by researchers, policymakers and other stakeholders
  • Ensure data accuracy and consistency through validation and cross-referencing with reputable sources
  • Contribute to PSL and Hot or Cool reports and publications on Sustainable Lifestyles
  • Support the coordination of workshops with multiple partners and attend in person meetings


  • Currently enrolled as a bachelor or master student in Germany in a field related to Environmental Sciences, Environmental Engineering, or Statistics
  • Excellent writing skills and superior command of the English language
  • Excellent skills in data collection, handling, processing and data quality assessment
  • Excellent skills in Excel

Desirable skills and competencies

  • Strong interest in sustainability science and sustainable societies
  • Good skills in data visualisation
  • Good skills in Statistical Analysis and Statistics and modelling software

Employment conditions

Are you ready to join a team of highly ambitious individuals working together to ensure a sustainable future for people and the planet?
At Hot or Cool, we strive to be the workplace of the future, to offer a sustainable and regenerative work environment. Applicants can indicate the type of flexibility in working arrangements needed to optimise their productivity and wellbeing.
This position includes up to 20 working hours per week. Applicants must be based in Germany, with the ability to work from the Hot or Cool Berlin office.
Remuneration: 14.50-17.50 euros per hour depending on the candidate’s previous level of experience.

Equal opportunity employment 

Hot or Cool works towards equal employment opportunities. We acknowledge our own privilege, bias and internalised discriminatory attitudes. We strive to eliminate workplace discrimination based on race, class, gender, sex, sexual orientation, age, national origin, religion, or ability status. We are learning to be courageous, to acknowledge our shortcomings and grow from constructive feedback and self-reflection. All applications are welcome.


How to apply

Applications should be sent to and should include:

  • CV and 1-2 references (professional and/or academic);
  • Cover letter demonstrating interest and qualifications for this position;
  • 1-2 examples of previous work (e.g. writing sample, project strategy or campaign plan).

Applications will be evaluated on a rolling basis. The posting will remain open until filled. Role commences August.

Only applicants that go through the initial screening will be contacted.

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