What it's about:
A German court will hear evidence on a climate activist's suit against energy utility RWE, boosting Peruvian farmer Saúl Lliuya in a test case other environmentalists will watch closely.
The case centres on whether a company can be held financially responsible for the contribution of its carbon dioxide emissions to the effects of climate change in other parts of the world.
Lliuya, supported by activist group Germanwatch, has argued that greenhouse gas emissions from RWE's plants are partly to blame for melting an Andean glacier that is threatening to cause flooding and damage his house.
He is demanding that RWE pay 17,000 euros ($20,140) to help shoulder the cost of flood defences. That figure is based on a study that says RWE is responsible for around 0.5 percent of greenhouse gases caused by human actions since industrialisation.
RWE says Lliuya's complaint is unfounded, saying a single emitter cannot be held responsible for global warming.
Why it's noteworthy:
Last year, a lower court in Germany dismissed Lliuya's claim. But the higher regional court in Hamm recently found legally conclusive his argument that RWE may be held liable if its actions are found to infringe on someone's property rights.
The court said it would commission experts to compile evidence on whether emissions from RWE power plants can be shown to abet global warming and consequently the melting of the glacier - and whether that puts Lliuya's home at risk of flooding. The experts will also have to determine the percentage of global warming for which RWE is responsible.
Germanwatch said in a statement the Hamm court's decision to proceed with the case was a "historical breakthrough", paving the way for further cases to be brought against firms with high carbon emissions.
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