In recent years, news and articles regarding global climate and environmental changes appear in the media more and more frequently. Scientists, government leaders and even ordinary citizens worldwide are increasingly concerned about global warming, El Niño, melting of polar ice caps, the rising sea level and other phenomena caused by global climate and environmental changes..

Large-scale environmental monitoring networks are important tools to study global climate change and its impact on ecosystems and civilizations. Some of these monitoring networks, such as the early Tsunami warning systems deployed in the Pacific and Indian oceans, can be crucial for saving human lives.
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