The Earth’s oceans have reached a record-breaking high in global water surface temperature, with approximately 90% of the heat generated by greenhouse gases being absorbed by the oceans. While the average temperature increase over the last century is about one degree Celsius, extreme heat events are causing significant deviations, such as tropical Pacific temperatures being six degrees above normal. These warming oceans impact global weather patterns, leading to changes in rainfall and drought, and affect marine ecosystems by causing fish to migrate towards the poles, disrupting the food chain.
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The world’s oceans are experiencing record-breaking heat in June, exceeding temperatures from recent El Niño years. This warming, driven by over 90% of trapped greenhouse gas heat absorbed by the oceans, is occurring at a pace comparable to natural shifts over thousands of years. These elevated ocean temperatures fuel more intense weather events on land, including heatwaves and extreme rainfall, and threaten marine ecosystems. Despite improved seasonal forecasting capabilities, critical ocean monitoring networks face funding uncertainties, potentially hindering preparedness for escalating climate impacts.
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The Trump administration is set to relax a federal rule that mandates reductions in greenhouse gases from cooling equipment used by grocery stores and air-conditioning companies. The Environmental Protection Agency states this move aims to lower grocery costs by allowing businesses more flexibility in choosing refrigeration systems, thereby saving them billions of dollars. This action reverses a previous bipartisan law signed by Trump in his first term, which phased out hydrofluorocarbons (HFCs) due to their potent global warming effects. While some industry groups support the proposed changes, others warn that extending compliance deadlines for phasing out HFCs could actually increase prices by disrupting supply and demand.
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On December 22, 2024, as the sun set behind gas flares at the Dora Oil Refinery Complex, a significant shift occurred in U.S. environmental policy. The White House announced that the Environmental Protection Agency would formally revoke its 2009 endangerment finding. This critical scientific determination, which established that greenhouse gases pose a risk to public health and welfare, is the bedrock of federal climate regulations. The rescission, described as the largest deregulatory action in American history, is anticipated to eliminate regulations on emissions from the transportation sector and represents a major rollback of climate change mitigation efforts.
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Trump’s EPA to repeal core of greenhouse gas rules in a major deregulatory move. This is, without a doubt, the biggest deregulatory step in U.S. history, and it’s setting off alarm bells everywhere. It’s like they’re actively dismantling the safeguards put in place to protect our environment and, by extension, our health. The sheer scale of this move is hard to fathom, with consequences that will ripple through every aspect of life.
EPA head claims carbon dioxide’s benefits are overlooked, which, frankly, is a jaw-dropping statement. This is, to put it mildly, a controversial take, going directly against the mountain of scientific evidence that points to the detrimental impacts of greenhouse gas emissions.… Continue reading
The Trump administration is seeking to overturn the EPA’s 2009 “endangerment finding,” which classified greenhouse gas emissions as a threat and served as the basis for climate regulations. This proposal aims to revoke the government’s authority to regulate pollutants from burning fossil fuels, like carbon dioxide and methane, under the Clean Air Act. The administration argues this move would drive down costs and boost American energy production, while critics express concerns about undermining climate action and benefiting the fossil fuel industry. The EPA is making legal arguments that the previous administration overstepped their authority. This decision faces potential legal challenges and could take years to resolve.
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In May 2025, measurements at Hawaii’s Mauna Loa Observatory revealed a record-high average atmospheric carbon dioxide concentration of 430.2 ppm, a 3.5 ppm increase from the previous year. This surpasses the 400 ppm threshold, previously considered unimaginable, and signifies the highest level in millions of years, attributed to human fossil fuel consumption. The data, collected by Scripps Institution of Oceanography and NOAA, continues a long-term record illustrating the escalating impact of greenhouse gases on the planet’s climate and ecosystems. These measurements, integrated into the Global Greenhouse Gas Reference Network, provide crucial information for policymakers addressing climate change.
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John Q. Hosedrinker 
Matt Underwood