Here are some resources that may be useful to start your Sustainability Journey:
UN Sustainable Development Goals: https://sdgs.un.org/goals
European Green Deal: Circular economy action plan: https://ec.europa.eu/environment/strategy/circular-economy-action-plan_en
SBTi Net Zero Standard: https://sciencebasedtargets.org/resources/files/Net-Zero-Standard.pdf
Greenhouse gas protocol, standards and advice: https://ghgprotocol.org/
Doughnut Economics: https://doughnuteconomics.org/
The Ellen MacArthur Foundation: https://www.ellenmacarthurfoundation.org/case-studies