#biodiversity

Threatened-species programs struggle to compare interventions, sustain funding, share results and coordinate expertise, leaving effective recovery work difficult to reproduce and maintain.

Threatened animals face shifting habitats, disrupted life cycles and acute mortality as warming, drought, fire, storms, floods, ocean change and other extremes intensify.

Very small and isolated animal populations lose genetic diversity and breeding opportunities, making chance events, skewed sex ratios and inbreeding more likely to prevent recovery.

Freshwater and coastal animals lose viable habitat when pollution, altered flows, extraction, dams and other infrastructure change water quality, connectivity and ecological processes.

Threatened animals are killed or removed through hunting, trade, targeted fishing, bycatch and conflict responses faster than their populations can reproduce.

Invasive alien species—introduced predators, competitors, parasites, pathogens, and disease vectors—cause mortality, reduce reproduction, and alter food webs, driving decline in native animal populations with little resilience.

Threatened animals lose feeding, breeding and refuge areas when ecosystems are converted, degraded or fragmented, reducing population size and isolating survivors.

Gill nets cause unnecessary harm to sharks and other wildlife while failing to reduce local shark presence, since sharks are highly migratory and have no fixed territory. Healthy shark populations are essential for balanced ecosystems.

It is largely unknown how radionuclides from degrading drums (Co-60, Nb-94, Cs-137, Am-241) move into deep-sea sediment, water, and living organisms over decades — and the drums themselves have become hard-substrate habitat, putting fauna in direct contact with the waste.

From 1946–1990, ~14 nations dumped 200,000+ barrels of radioactive waste into the deep ocean under a

Headline tree-planting counts measure seedlings in the ground, not living forest years later. Wrong species, wrong site, no aftercare, and monocultures mean large shares of planted trees die — yet the numbers are routinely used to claim climate and biodiversity impact.

Litter from streets, rivers and beaches concentrates along coastlines and in the sea — the ultimate sink for land-based debris. Once there it is dispersed, hard to recover, and lethal to marine wildlife through entanglement and ingestion.

In wild and remote areas there are few or no bins and no cleaning crews, so even small amounts of dropped trash — wrappers, micro-litter, food scraps, human waste — persist, harm wildlife, and degrade the very experience that drew visitors there.

Discarded packaging, cigarette butts and other small waste builds up along roadsides, trails, parks, rivers, beaches and the ocean — harming wildlife, degrading shared spaces, and costing the public hundreds of millions a year to clean up.

Conventional desalination discharges 58–78% of inlet water as hypersaline brine that raises local salinity and depresses dissolved oxygen, damaging the inshore marine ecosystems coastal fishing communities depend on for food and income.

Protecting one biome or commodity can just displace clearing to the next. The Amazon Soy Moratorium shielded rainforest but pushed soy and pasture into the less-protected Cerrado savanna, now often the hardest-hit biome. Savannas and dry forests get weaker legal protection.

Map places likely to retain suitable future conditions, protect natural movement routes and assess assisted colonization only when unmanaged climate risk is greater than relocation risk.

Test assisted reproduction and cryobiology for threatened species through staged, independently reviewed programs that protect animal welfare and support a defined recovery objective.

Raise or move threatened animals under a documented conservation plan, then release them into habitat where the original threats are controlled and outcomes can be monitored.

Manage conservation breeding, pedigrees, genetic material and institutional roles as one recovery program that preserves options for viable wild populations.

Control pollutant and sediment sources and redesign damaging river works to restore water quality, substrates and passage for threatened aquatic animals.

Restore flow timing, wetland function and catchment governance so threatened freshwater and coastal animals regain the water quantity, quality and connectivity needed to survive.

Adopt species-safe fishing gear and enforce targeted no-take areas where threatened animals feed, breed or migrate to reduce capture and bycatch mortality.

Eradicate or suppress invasive predators where feasible, then prevent reinvasion through surveillance, quarantine, rapid response and long-term local biosecurity.

Reconnect isolated habitat patches through restoration and locally governed land or water management so threatened animals can disperse, reproduce and adapt.

Protect and effectively manage the remaining feeding, breeding, refuge and movement areas required by threatened animal populations.

Create a shifting pattern of burned and unburned patches so future fire encounters varied fuel ages while ecological refuges remain across the landscape.

Fund local partners to restore native species on degraded land — not carbon-rich habitat that doesn't need trees — with multi-year aftercare and satellite-plus-field monitoring. Report trees alive over time, not seedlings planted.

A fence from seabed to surface and shore to shore fully encloses a swim area, keeping sharks out without trapping or killing wildlife. Inside the enclosure protection is near-absolute, but it suits sheltered beaches only and protects just that zone, not the open surf.

Bottom-set gillnets off bathing beaches entangle and kill large sharks to thin local numbers. Long-established, but they are a culling device, not a barrier: sharks pass around them, bycatch of turtles, dolphins and rays is high, and bite-reduction evidence is weak.

Plant and steward trees, prioritizing the specific streets that heat-mapping shows are hottest and have least canopy. Trees cut surface and air temperature through shade and evapotranspiration, and also reduce stormwater runoff.

The U.S. Fish and Wildlife Service began releasing captive-bred red wolves at Alligator River National Wildlife Refuge in 1987. More than 60 adults were released from 1987 to 1994, wild breeding followed and the populat…

Conservation breeders produced golden skiffia and prepared fish through pond and semi-natural mesocosm stages before release to the species' native Teuchitlán River. More than 1,000 fish were released in November 2022 w…

Nine captive-bred sihek (Guam kingfisher) arrived at predator-free Palmyra Atoll in September 2024 for a conservation introduction. Six were initially released after an acclimation period; subsequent monitoring confirme…

Chester Zoo maintains and breeds Socorro doves as part of an international coordinated program after the species became extinct in the wild. Eight chicks hatched at the zoo in 2025, adding genetically managed birds to t…

PACE-Vaquita sought to eliminate vaquita bycatch by enforcing gillnet restrictions, withdrawing fishing effort, testing alternative gear and compensating fishers. The IUCN Cetacean Specialist Group reports that 230 arti…

Van Long Nature Reserve protects the largest known population of Delacour's langur through reserve management coordinated between the Ninh Bình Forest Protection Department, community-led patrol teams (including former…

The Kākāpō Recovery Programme moved the remaining birds to predator-free islands and manages breeding, genetics, health, nests and habitat intensively. New Zealand sources report that the known population increased from…

Invasive rats were eradicated from Great Bird Island and additional offshore islands, after which Antiguan racers were translocated to establish populations on restored sites. The species had been reduced to an estimate…

The partners established the Geometric Tortoise Preserve in 2015 to secure a large remaining population and its renosterveld habitat. Rainforest Trust reports that the preserve now covers 898 acres and was created to sa…

Indigenous ranger groups apply carefully timed early dry-season burning across northern Australia to reduce large, high-intensity late-season fires. Projects generate verified carbon credits (ACCUs) under the Australian…

Indigenous-led cultural burning initiatives in Canada operate through partnerships with Parks Canada and Natural Resources Canada. Governance and land access barriers remain active challenges; programs are context-speci…

Founded in July 2023, Giesskannenheld:innen (watering-can heroes) organizes Essen residents to adopt drought-stressed street trees and water them through dry spells. The logistical backbone is a network of 1,000-litre p…

On 11 November 2019, the Government of Türkiye planted 11 million saplings in a single day, setting a Guinness world record (most trees planted in one hour at the Çorum site), executed largely by volunteer planters. Wit…

An open space on the edge of King's Lynn, Norfolk, was planted with around 6,000 trees in plastic tree guards, intended to create a carbon sink. Reporting found that almost all trees died. Three compounding errors were…

On 11 November 2019 ('National Forestation Day'), Turkey's government ran 'Breath for the Future,' planting roughly 11 million saplings at over 2,000 sites in a single day. At Çorum, volunteers set a Guinness World Reco…

Ecosia funds local partner organisations in biodiversity hotspots and degraded land across 35+ countries; partners grow, plant, and nurture trees through establishment. The program uses 900+ diverse native species, expl…

After a four-month trial at Coogee Beach (December 2013–April 2014), the City of Cockburn installed an Eco Shark Barrier made of rigid plastic mesh panels that exclude sharks while letting small marine life pass, avoidi…

Hong Kong introduced seabed-to-surface shark prevention barriers in the early-to-mid 1990s after a cluster of fatal attacks between 1991 and 1995. Unlike gillnets, the barriers fully enclose the swimming area from seabe…

Australia's oldest beach shark program, operating continuously since 1937. For the 2025–26 season, bottom-set gillnets were deployed at 51 beaches across 8 local government areas between Newcastle and Wollongong (1 Sept…

Begun in 2018 as part of Paris's Climate Adaptation and Resilience Strategy, "Les Cours Oasis" depaves asphalt schoolyards and replaces them with trees, permeable ground, shade and water features, then opens them as nei…

Since the 1960s 'Garden City' vision and now the 'City in Nature' / Green Plan 2030 strategy, Singapore grew green cover from 35.7% (1986) to roughly 48% even as urban density rose. Key mechanisms: mandatory greenery re…

Launched in 2016 to counter urban heat island effects and severe air pollution in the Aburrá Valley, Medellín built 30+ interconnected 'green corridors' (corredores verdes) along road verges, streams, parks and hillside…

#FreetownTheTreeTown is a community-driven reforestation program in a rapidly urbanising coastal city that lost roughly 12% of its canopy per year between 2011 and 2018, raising landslide and flood risk. Community growe…