Anantam IASCurrent Affairs · 27 October 2025

World Heritage Outlook 4 report

Study Guides · Study Notes · Environment & Ecology · General Studies · GS III

Context:

Recently IUCN’s World Heritage Outlook 4 report released earlier this month attributes four threats to the loss of habitats and species in South Asia.

UPSC Relevance:

Environment and IUCN report

UPSC PYQ:

Q. Which one of the following is not a site for in-situ method of conservation of flora? (2011)

(a) Biosphere Reserve  

(b) Botanical Garden 

(c) National Park  

(d) Wildlife Sanctuary

About World Heritage Outlook 4 report:

Objectives:

Outcome of World Heritage Outlook 4 report:

According to report four threats to the loss of habitats and species in South Asia: climate change, tourism activities, invasive alien species, and roads.

Major Concern in India:

  1. Western Ghats: The Major Concern:

ThreatDescription
Hydropower ProjectsProjects like the ₹5,843 crore Sillahalla Pumped Storage Project in Tamil Nadu threaten riverine ecosystems.
Tourism PressureLitter and garbage, often eaten by wildlife, intensify human–animal conflict.
PlantationsConversion of forests into tea, coffee, and eucalyptus plantations reduces native biodiversity.
Climate ChangeSpecies are shifting to higher altitudes (e.g., Nilgiri flycatcher) due to warming.
Invasive SpeciesEucalyptus and Acacia, introduced during colonial times, are displacing native flora.

2. Sundarbans: The Mangrove Crisis:

Hope and Good Practices: