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| general:trends:emission_trends_heavy_metals [2024/03/18 14:23] – [Main drivers] vosen | general:trends:emission_trends_heavy_metals [2026/02/10 18:46] (current) – vosen | ||
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| ===== Main drivers ===== | ===== Main drivers ===== | ||
| - | Emission of priority heavy metals (cadmium, lead and mercury) **decreased significantly since 1990**. Most values show reductions by about 50 to 93% compared to the base year, with the majority of the achievements originating from the early 1990's though. | + | Emission of priority heavy metals (cadmium, lead and mercury) **decreased significantly since 1990**. Most values show reductions by about 50 to 94% compared to the base year, with the majority of the achievements originating from the early 1990's though. |
| __Overview of percental decreases in HM emissions since 1990:__ | __Overview of percental decreases in HM emissions since 1990:__ | ||
| - | * Arsenic: -93.5% | + | * Arsenic: -94.3% |
| - | * Cadmium: -64.5% | + | * Cadmium: -69.9% |
| - | * Copper: -9.6% | + | * Copper: -2.1% |
| - | * Chrome: -57.3% | + | * Chrome: -56.9% |
| - | * Mercury: -81.5% | + | * Mercury: -85.4% |
| - | * Nickel: -56.9% | + | * Nickel: -61.4% |
| - | * Lead: -92.0% | + | * Lead: -90.9% |
| - | * Selenium: -49.7% | + | * Selenium: -53.6% |
| - | * Zinc: -38.3% | + | * Zinc: -36.2% |
| - | 2019 and 2020 emissions | + | In 2024 the emissions from arsenic, cadmium, mercury |
| The main source for most heavy metals is fuel combustion and production processes: | The main source for most heavy metals is fuel combustion and production processes: | ||