Blog

Regulations 4 min

The double bind for ecologists: why the current system no longer works, and what an independent third party actually changes.

Scientific ecology plays a central role in projects, but ecologists still work within a framework that limits their impact: contractual dependence on the project owner, confusion between diagnosis, advice and guarantee,...

November 17, 2025 Read →

Regulations 1 min

Why is proof worth more than a promise?

The market is overflowing with environmental commitments. Labels, charters, declarations of intent: promises abound. But in the field of biodiversity, only proof creates value. This is the raison d'être of Effinature, a certification...

November 17, 2025 Read →

3-minute technique

Ecological collectives and certification: two complementary levers for the transition

The rise of collectives of ecology experts illustrates a growing desire to pool skills to support the environmental transition. These groups – sometimes organized as Economic Interest Groups (EIGs) – facilitate cooperation and local innovation...

November 14, 2025 Read →

Market 5 min

ESG, Taxonomy, SRI: What the 2025 data really shows, and why proof is becoming central

The 2025 data published by ASPIM and OID show that ESG maturity is progressing in real estate, but that truly measurable sustainable performance remains limited: very weak taxonomic alignment, heterogeneity of indicators, increasing...

November 14, 2025 Read →

4-minute technique

Invasive alien species: the weak link in projects claiming to be "ecological"

Real estate and development projects often claim to have an ecological ambition. Yet, the actual management of invasive alien species (IAS) remains one of the major blind spots in these operations. Recent feedback from the chan...

November 14, 2025 Read →

Regulations 4 min

Greenwashing: what scientific studies show. Where do the different logics of biodiversity assessment fit in?

Scientific publications from 2025 on greenwashing in real estate provide useful insights into environmental assessment approaches. They do not compare existing tools, but rather identify families of methods...

November 14, 2025 Read →

Regulations 5 min

Nature in the city: health, climate, scientific rigor: Why evaluation matters more than rhetoric

Urban greening now occupies a central place in the media, public policy, and research. Programs, studies, and rankings are multiplying: air quality, heat islands, well-being, biodiversity, public health...

November 14, 2025 Read →

Return to field 4 min

When biodiversity becomes a criterion for market access: a social housing provider demands Effinature's expertise from the project management stage

Biodiversity is no longer a peripheral criterion in real estate projects. In several recent consultations, it has become an explicit condition for market access and a structuring element in the selection of project management teams. The case of...

November 14, 2025 Read →

4-minute technique

When ecology becomes urbanized: what this changes for the independent assessment of urban biodiversity

Urban ecology is undergoing a major transformation: the city is no longer simply a built space, but a living system structured by measurable mechanisms. The publication of *When Ecology Becomes Urban* illustrates this scientific shift...

November 14, 2025 Read →

3-minute technique

Urban biodiversity: when the courts protect pockets of coolness

The cancellation of the real estate project on Chemin du Télégraphe in Nîmes marks a turning point: biodiversity and climate regulation are becoming

November 12, 2025 Read →

2-minute technique

Ecological accounting: towards an international protocol for assessing the state of ecosystems

In September 2025, CDC Biodiversité and the consulting firm I Care published a framework document for a Protocol for assessing the condition of ecosystems. This document aims to establish a common language between ecological science, non-financial reporting, and...

November 12, 2025 Read →

3-minute technique

Digital technology and biodiversity: deciding based on evidence, not intuition

Recent assessments by the IT4Green program quantify the direct and indirect effects of digitalization, using a consequential approach and projected scenarios to 2035. The common conclusion is clear: the gains are never...

November 12, 2025 Read →