Health care workers, firefighters have increased PFAS levels, study finds
Peer-Reviewed Publication
Updates every hour. Last Updated: 16-Jul-2025 08:11 ET (16-Jul-2025 12:11 GMT/UTC)
Researchers looked at PFAS serum concentrations in health care workers for the first time and were surprised by what they found.
A new study published in the journal Science analyzes the results of a randomized controlled trial (RCT) that showed that brick kiln owners in Bangladesh are willing and able to implement cleaner and more efficient business practices within their operations—without legal enforcement—if they receive the proper training and support, and if those changes are aligned with their profit motives. The study is the first to rigorously demonstrate successful strategies to improve efficiency within the traditional brick kiln industry.
The German National Academy of Sciences Leopoldina is again participating in this year’s science-based advisory process in advance of the G7 summit. For many years, the G7 countries’ science academies have been involved in the summits’ Science 7 process. Before the heads of state and government meet at the summit, the academies have presented their recommendations as part of the Science 7 Summit, which took place in Ottawa on 7 and 8 May. To Leopoldina President Bettina Rockenbach, attending the summit in Ottawa was her first foreign trip in her current role.
This paper develops a power system dispatching model that integrates thermal power, wind power, photovoltaic (PV) generation, and energy storage systems (ESS). The model uses Monte Carlo simulations to analyze the impact of renewable energy and ESS capacities on electricity costs, carbon emissions, power fluctuations, and renewable energy utilization. The study optimizes the system configuration using the NSGA-II algorithm and provides valuable insights for decarbonizing power systems while ensuring energy equity.
The BRICS nations have committed to reach carbon neutrality: Brazil and South Africa by 2050, China and Russia by 2060, and India by 2070. A joint study by researchers from Tsinghua and Shanghai Jiaotong universities shows that achieving such targets necessitates a significant increase in electrification and non-fossil fuel use, with 65% to 82% of energy to be supplied from renewables and 55% to 80% in form of electricity. Besides, carbon capture and removal technologies will play an important role, which are expected to contribute 27% to 64% of emission reductions after 2030 across BRICS. The mitigation costs vary by country, ranging from 250 to 390 USD per ton of CO2 by the carbon neutrality year. Annual investments in the energy sector are projected to be equivalent to 0.8%–3.5% of GDP.