1 Can we maintain 1.5 alive?
“Maintain 1.5 alive” has been the UN’s rallying cry for quite a few years, a reference to the aim of guaranteeing that common world temperatures don’t soar past 1.5 levels greater than pre-industrial ranges. The scientific consensus is {that a} lack of motion would have catastrophic penalties, not least for the so-called “frontline States”, similar to growing island nations which may disappear below the ocean, as sea ranges rise.

© UNICEF/Lasse Bak Mejlvang
A person fishes sitting on sandbags which defend the Pacific Ocean island nation Tuvalu towards sea erosion.
At COP30, the UN local weather convention scheduled to happen between 10 and 21 November 2025, mitigation (in different phrases, actions and insurance policies designed to scale back the greenhouse fuel emissions that contribute to rising temperatures) is more likely to a key focus.
The nations of the world will arrive with upgraded, extra bold commitments to reducing greenhouse gases. That is each a recognition that present pledges are wholly insufficient, when it comes to getting temperatures down, and a part of the deal that Member States signed as much as in 2015 at the Paris COP (nations are anticipated to “ratchet up” their commitments each 5 years. The final time this occurred was on the 2021 Glasgow COP, delayed by one 12 months due to the COVID-19 pandemic).
2 Defending nature
Holding COP30 within the Amazonian rainforest area of Brazil is of symbolic significance. It harks again to the early days of worldwide makes an attempt to guard the atmosphere: the pivotal “Earth Summit”, which led to the institution of three environmental treaties on local weather change, biodiversity, and desertification, passed off within the Brazilian metropolis of Rio de Janeiro in 1992.

© Unsplash/Sreenivas
A parrot stands on a tree department in Maharashtra, India.
The placement additionally highlights the position that nature has to play within the local weather disaster. The rainforest is an enormous “carbon sink”, a system that sucks up and shops CO2, a greenhouse fuel, and prevents it from getting into the ambiance, the place it contributes to warming.
Sadly, rainforests and different “nature-based options” face threats from human growth, similar to unlawful logging which has devastated large swathes of the area. The UN will proceed efforts begun in 2024 to enhance the safety of the rainforest and different ecosystems, at biodiversity talks resulting from be resumed in Rome in February.
3 Who’s going to pay for all this?
Finance has lengthy been a thorny problem in worldwide local weather negotiations. Growing nations argue that rich nations ought to contribute much more in direction of initiatives and initiatives that can allow them to maneuver away from fossil fuels, and energy their economies on clear power sources. The pushback from the wealthy nations is that fast-growing economies similar to China, which is now the most important emitter of greenhouse gases on the earth, also needs to pay their share.

© UNFCCC/Habib Samadov
Activists protest towards fossil fuels at COP29 in Baku, Azerbaijan.
At COP29 in Baku, Azerbaijan, a breakthrough of types was made, with the adoption of an settlement to triple the quantity of local weather finance paid to growing nations, to $300 billion per 12 months, by 2035. The deal is a particular step ahead, however the remaining sum is way lower than the $1.3 trillion that local weather consultants say these nations want so as to adapt to the disaster.
Anticipate extra progress to be made on financing in 2025, at a summit in Spain on the finish of June. The Financing for Improvement conferences solely happen as soon as each 10 years, and subsequent 12 months’s version is being billed as a chance to make radical modifications to the worldwide monetary structure. Environmental and local weather considerations will probably be raised, and potential options similar to inexperienced taxation, carbon pricing and subsidies will all be on the desk.
4 Laying down the legislation
When the eye of the Worldwide Courtroom of Justiceturned to local weather change in December, it was hailed as a landmark second on the subject of States’ authorized obligations below worldwide legislation.

© UNDP/Silke von Brockhausen
Vanuatu usually experiences harmful excessive climate, similar to typhoons, that are being exacerbated by local weather change.
Vanuatu, a Pacific island state notably susceptible to the disaster, requested the court docket for an advisory place, so as to make clear the obligations of States with regard to local weather change, and inform any future judicial proceedings.
Over a two-week interval, 96 nations and 11 regional organizations took half in public hearings earlier than the Courtroom, together with Vanuatu and a bunch of different Pacific islands States, and main economies together with China and the USA.
The ICJ will deliberate for a number of months earlier than delivering its advisory opinion on the topic. Though this opinion will probably be non-binding, it’s anticipated to information future worldwide local weather legislation.
5 Plastic air pollution
UN-convened talks on attending to grips with the worldwide epidemic of plastic air pollution edged nearer to a deal throughout negotiations in Busan, South Korea.
Some key advances had been made throughout the November 2024 talks – the fifth spherical of negotiations following the 2022 UN Atmosphere Meeting decision calling for a world legally binding instrument on plastic air pollution, together with within the marine atmosphere.
Settlement on three pivotal areas must be ironed: plastic merchandise, together with the problem of chemical substances; sustainable manufacturing and consumption; and financing.

UNDP India
Plastic bottles are collected for recycling in India.
Member States at the moment are charged with discovering political options to their variations earlier than the resumed session begins, and with touchdown a remaining deal that addresses the complete lifecycle of plastics and delivers on the rising world momentum to finish plastic air pollution.
“It’s clear that the world nonetheless needs and calls for an finish to plastic air pollution,” stated UN Atmosphere Programme (UNEP) Government Director Inger Andersen. “We have to guarantee we craft an instrument that hits the issue onerous as an alternative of punching under its potential weight. I name on all Member States to lean in.”