> For the complete documentation index, see [llms.txt](https://standard.nature-value.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://standard.nature-value.org/readme/1-introduction.md).

# 1. Introduction

The Nature Climate Standard (NCS) operates a registry in which emissions avoidance, reduction and carbon removals (collectively mitigation outcomes) are registered as Carbon Credits. These mitigation outcomes are generated from forest projects that meet the requirements of the NCS. The NCS, which is described in detail in this document, lists the requirements that ensure that the climate impact of these projects is measurable. In summary, the carbon credits must be additional, long-lasting and calculated according to the latest scientific evidence. NCS is built on top of ISO 14064-2:2019 and adds further requirements to this norm.


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