B1–B2 · 60 MINUTES · ONE CHANGING WORLD
Changing planet.
Changing stories.
Investigate the evidence. Travel through past habits. Tell the story of what happened—and what could change next.
Begin your expedition
01 / NOTICE
A planet in motion
Explore climate causes, environmental choices and a fieldwork reading.
02 / CONNECT
English through time
Past continuous, past simple, used to, when, while and time markers.
03 / CREATE
Your voice, your story
Write a then-and-now narrative. Earn practice XP, not a pressure score.
Your progress stays with you.
Drafts, XP and badges save in this browser when storage is available. No account, no timer, no public leaderboard. Open answers are reviewed by you, a partner or a teacher—not automatically graded by AI.
See your field report