Paragraph 1
Predicting volcanic
is never easy. For centuries,
and seismologists have studied the activity beneath Earth that might indicate an eruption. Forecasting when a volcano might erupt has been somewhat
. However, scientists from NASA and the Smithsonian Institution say they are a
closer to providing more accurate
of when a volcano might blow. NASA used
from space to detect changes in the colour of
. The research was based on a 2019 study from McGill University. This study showed that an increase in carbon dioxide levels emitted by two
volcanoes in Costa Rica had an
on the colour of leaves in the
areas.