environmental
12 years old
30s
african
alternative energy
black
boy
caribbean
caucasian
class
classroom
collaborating
education
electricity
female
girl
green
group
happy
helping
high school
hispanic
horizontal
indian
learning
male
man
men
mixed race
model
multicultural
people
person
power
pupil
school
science
secondary school
smiling
social issues
south american
student
studying
sustainable
teacher
teaching
thirties
together
tutor
wind turbine
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