Climate change increases risks of tree death

Planting a tree seems like a generally good thing to do for the environment. Trees, after all, take in carbon dioxide, offsetting some of the emissions that contribute to climate change.

Indonesia raises alert level for Krakatoa's offspring volcano

Indonesia raised the alert status for the offspring of the infamous Krakatoa volcano to its second highest level on Monday, a day after it erupted and spewed a towering ash cloud 3,000 metres (9,800 feet) into the sky.

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