U.S. Threatens Sanctions Over UN Support of Global Shipping Carbon Tax

U.S. threatens sanctions on UN members supporting shipping emissions plan

On Friday, the U.S. threatened visa restrictions, port bans, and sanctions against countries supporting the International Maritime Organization’s (IMO) Net-Zero Framework (NZF) to cut shipping emissions. The IMO’s plan aims to decarbonise the shipping sector, which is responsible for 3% of global greenhouse gases, through global regulations and carbon pricing. The Trump administration denounced the proposal as an “unsanctioned global tax regime,” arguing it would raise costs for businesses and consumers, and called the NZF a “European-led neocolonial export of global climate regulations”. U.S. opposition could derail coordinated international efforts to decarbonise maritime transport, further complicating the push for net-zero trade infrastructure.

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Further reading: US threatens sanctions over global shipping carbon tax

The Earth has passed its first climate tipping point

A new Global Tipping Points report led by the University of Exeter warns the Earth has crossed its first catastrophic climate threshold: the irreversible decline of warm-water coral reefs. These reefs, which support a quarter of marine species and sustain the lives of hundreds of millions of people, are officially undergoing “widespread dieback” due to ocean warming. The scientists estimate reefs begin collapsing between 1°C and 1.5°C of global heating, with current warming already at 1.4°C. The report, backed by 160 scientists from 23 countries, also cautions that other critical systems, the Amazon, Antarctic ice, and ocean currents, may soon reach tipping points. The urgency for sustainable business practices and emissions cuts continues to grow as scientists discover these irreversible tipping points.

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Further reading: Planet’s first catastrophic climate tipping point reached, report says, with coral reefs facing ‘widespread dieback’

Pentagon commits $1B towards critical minerals stockpile to counter China

The U.S. Department of Defense is ramping up efforts to secure supplies of critical minerals essential for weapons, clean energy, and tech manufacturing. Through its Defense Logistics Agency, the Pentagon plans to buy up to $1 billion worth of cobalt, antimony, tantalum, scandium, and other key materials, many of which are dominated by Chinese supply chains. The ambitious plans follow Beijing’s export controls on rare earths and related technologies announced last week. The U.S. relies on critical minerals for defense, and Trump is eager to use $5B for defense department investments in critical minerals supply chains. With these bold investments, the critical question that remains is: where will these minerals come from?

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Further reading: Pentagon steps up stockpiling of critical minerals with $1bn buying spree

New Zealand targets 24% methane cut from livestock by 2050

New Zealand has announced a strategy to reduce methane emissions from livestock, the sector responsible for nearly half its total greenhouse gases, by up to 24% by 2050. The plan emphasizes research, technology investment, and collaboration with farmers to develop low-emission feed and breeding innovations. Agriculture remains the backbone of New Zealand’s economy, but methane from sheep and cattle has made it one of the world’s highest per-capita emitters. The initiative signals a pragmatic approach to balancing economic stability with global climate commitments, though critics say the voluntary measures may fall short of what’s needed to meet the country’s 1.5°C target.

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Further reading: New Zealand Aims to Cut Livestock Methane by Up to 24% by 2050

Editor’s Note: The opinions expressed here by the authors are their own, not those of impakter.com — In the Cover Photo: Container ship in Sri Lanka. Cover Photo Credit: Nilantha Ilangamuwa