Timeline
Chronological Overview
Glacier Cooling Systems Study
Research, funding reports and data on passive and active glacier-cooling methods over the past five years, including techniques like reflective covers, artificial snowmaking and shading.
High-Altitude Solar Projects
Environmental impact assessments, planning documents and public consultation reports for high-altitude photovoltaic projects since 2023.
Groundwater Nitrate Levels in Aare Valley
NAQUA monitoring data revealing persistent nitrate contamination above 25 mg/L in 40% of Aare Valley groundwater wells, with agricultural runoff identified as primary source.
PM2.5 Exceedances in Zurich 2024
Annual monitoring data from NABEL stations in Zurich showing 23 days exceeding WHO PM2.5 guidelines, with peak events linked to Saharan dust and temperature inversions.
Forest Cover Loss in Upper Valais 2020-2024
Satellite-derived analysis showing 340 hectares of protective forest loss in Upper Valais due to bark beetle outbreaks exacerbated by drought, with implications for avalanche and rockfall protection.
PFAS Soil Contamination Near Thun Military Airfield
Soil analysis results showing PFOS/PFOA contamination levels in agricultural land adjacent to the Thun military airfield, exceeding federal remediation thresholds.