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Trump moves to shut down NASA missions that measure carbon dioxide and plant health

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By illuminem briefings

· 3 min read


illuminem summarises for you the essential news of the day. Read the full piece on ABC News or enjoy below:

🗞️ Driving the news: The Trump administration has proposed ending funding for NASA’s Orbiting Carbon Observatories (OCO-2 and OCO-3), which track global carbon dioxide emissions and plant health, in the FY2026 budget
The missions — a satellite launched in 2014 and an instrument on the International Space Station since 2019 — are regarded by scientists as unmatched in sensitivity and accuracy, yet NASA says they are “beyond their prime mission” and being cut to align with presidential budget priorities

🔭 The context: The OCO missions have generated pivotal insights, such as revealing that the Amazon now emits more carbon than it absorbs and mapping the role of boreal forests in carbon uptake
Their ability to detect photosynthetic activity allows early warnings of drought and crop failure, supporting climate policy, agricultural planning, and food security
The proposed termination mirrors other administration moves to reduce climate science funding and visibility, raising concerns among researchers and lawmakers.

🌍 Why it matters for the planet: Shutting down these missions would weaken the world’s capacity to monitor greenhouse gas dynamics, verify emissions pledges, and forecast agricultural impacts in a warming climate
Without such high-precision data, policymakers and international agreements like the Paris Accord would lose a critical evidence base for tracking progress and designing interventions
The loss could also undermine early-warning systems for famine and drought in vulnerable regions

⏭️ What's next: Congress must decide whether to preserve funding before the fiscal year ends on September 30
The House budget proposal supports the termination, while the Senate version retains funding
If no budget is passed, a continuing resolution could maintain operations temporarily, though administration delays remain possible
NASA is accepting outside proposals until August 29 to continue operating the ISS-based instrument, but the free-flying satellite may be deorbited unless legal and operational hurdles to foreign or private control are resolved.

💬 One quote: “The principle seems to be that if we stop measuring climate change it will just disappear from the American consciousness.” — Michael Mann, climate scientist, University of Pennsylvania

📈 One stat: Eight to 10 percent of the planet’s carbon dioxide emissions are tracked with unprecedented precision by the OCO missions — data no other system currently matches

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