c___ change (Write the whole missing word, don't use capital letters.)

greenhouse e___ (Write the whole missing word, don't use capital letters.)

b___ extinct (Write the whole missing word, don't use capital letters.)

air/water p___ (Write the whole missing word, don't use capital letters.)

environmentally f___ (Write the whole missing word, don't use capital letters.)

endangered s___ (Write the whole missing word, don't use capital letters.)

r___ energy (Write the whole missing word, don't use capital letters.)

f___ fuels (Write the whole missing word, don't use capital letters.)

wind/water/ solar p___ (Write the whole missing word, don't use capital letters.)

unleaded p___ (Write the whole missing word, don't use capital letters.)