## Get started – Climate 101

Starting the net-zero journey is not an easy task, also because of the sheer number of climate-specific terms, concepts, and frameworks. In this section, we will provide a high-level overview of the key terms, concepts, and frameworks to be familiar with, to start your net-zero journey.


## In this section


### 2.1 Key sustainability concepts and terminology

Scope 1-3 EmissionsAbsolute Emissions vs. Emissions IntensityEmissions HotspotProduct Life Cycle (PCF) vs. Life Cycle Assessment (LCA)Science-based emission reduction targetsNet Zero

[Explore](https://initiatives.weforum.org/net-zero-supply-chain-support-hub/2-1)


### 2.2 Key sustainability frameworks and initiatives

Greenhouse Gas ProtocolGRIIFRS Sustainability Disclosure StandardsTask Force on Climate-Related Financial Disclosures (TCFD)Transition Plan Taskforce (TPT)CDPScience-based Targets Initiative (SBTi)The SME Climate HubGuidance on emissions factors

[Explore](https://initiatives.weforum.org/net-zero-supply-chain-support-hub/2-2)


### 2.3 Key procurement concepts

Supply Market Scanning ProcessSupply Market Sourcing ProcessRequest for Information document (RFI)Request for Proposal document (RFP)Sustainability in Supplier ContractingFinancing Support for Suppliers

[Explore](https://initiatives.weforum.org/net-zero-supply-chain-support-hub/2-3)


### Get involved in the Alliance of CEO Climate Leaders

Join us on the journey to Net Zero.

[Contact us](https://initiatives.weforum.org/alliance-of-ceo-climate-leaders/get-involved)