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The Plastic You Breathe

Finns increasingly worried about biodiversity loss, especially abroad

Finns are increasingly worried about biodiversity loss, especially abroad, suggests a recent survey.  The survey, commissioned by Finland's Ministry of the Environment and the Finnish Environment Institute SYKE, found that 56 per cent of respondents were worried, or very worried, about the state

Businesses get set for circular economy

Vietnam’s rapid economic growth has caused environmental challenges which have forced the nation to focus on fostering the development of a circular economy with less pollution and reused and recycled products.

GHG emissions of Finland's municipalities down 8.7 pct in 2020: report-Xinhua

Frontiers | The Dissolution of Olivine Added to Soil at 4°C: Implications for Enhanced Weathering in Cold Regions

Crushed olivine was added to a core to mimic enhanced weathering, and water was continually dripped through for ~6 months. Our experiments were conducted at 4°C, and are compared to previously run identical experiments at 19°C. Olivine dissolution rates in both experiments start out similar, likely due to fines and sharp crystal corners. However, after >100 days of reaction, the dissolution rate at 4°C was two orders of magnitude lower than at 19°C. The accumulation of heavy metals, such as Ni and Cd, was low in both experiments, but soil retention of these elements was proportionally higher at higher temperatures, likely due to enhanced sorption and formation of clays. Overall, this study suggests that olivine dissolution rates in experiments that mimic natural settings are orders of magnitude slower than in normal laboratory experiments, and that enhanced weathering may be a considerably less efficient method of carbon dioxide removal at low climatic temperatur