Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
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The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
Sweden is so good at recycling, it has run out of garbage and now must import garbage from Norway to fuel its energy programs.
20