HomepagelibbPopular puzzles created by libb Popular puzzles created by libb 24population increaselibbsolved 9 timesSolve puzzle 24heavy rainfalllibbsolved 6 timesSolve puzzle24loss of habitatlibbsolved 5 timesSolve puzzle24solid wastelibbsolved 4 timesSolve puzzle24definitelylibbsolved 4 timesSolve puzzle24forest firelibbsolved 4 timesSolve puzzle24air pollution/burning fossil fuelslibbsolved 4 timesSolve puzzle 24water pollutionlibbsolved 3 timesSolve puzzle24melting glacierslibbsolved 3 timesSolve puzzle24deforestationlibbsolved 3 timesSolve puzzle24rising sea levelslibbsolved 3 timesSolve puzzle24nitrogen fertilizerlibbsolved 3 timesSolve puzzle24aerosol spraylibbsolved 3 timesSolve puzzle20aero sprayyylibbsolved 3 timesSolve puzzle24droughttlibbsolved 2 timesSolve puzzle