42 Hosting services, software as a service, and rental of software; platform as a service [PaaS]; providing temporary use of computer software, programs and applications; providing temporary use of computer software, programs and applications in the form of web-based calculation tools; providing temporary use of computer software, programs and applications for calculating and visualising the carbon footprint of goods and services; providing temporary use of computer software, programs and applications for calculating and visualising greenhouse-gas emissions; scientific and technological services; natural science services; research in the field of climate change; providing scientific information in the field of climate change; testing, authentication and quality control; quality control, in relation to the following fields: climate impact of goods and services; consultancy services relating to quality control; analysis and evaluation of climate impacts; design of computer-simulated models in relation to the climate impact of goods and services; greenhouse gas emission measuring and analysis; computer services for calculating and visualising the carbon footprint of goods and services; providing scientific information in the fields of climate change and global warming; scientific consultancy, in relation to the following services: capture and removal of greenhouse gases; scientific consultancy, in relation to the following fields: climate compensation