The excitement is palpable in the air, the bunting is being strung, fountain pens are scribbling invitations to MPs, rickshaw drivers are oiling their wheels and musicians are warming up their voices
It can only mean one thing: there is less than a month to go until Speak Up For The Love Of, which is on 17 June. Over 5000 people have already signed up to attend, so why not join them?
If you'd like to come along, you can still sign up here.
There's plenty of time left and once you've signed up we'll send you more details about the day.
Speak Up will be the largest ever climate lobby of Parliament. It means that we'll be asking you to go and have a chat with your new MP and tell them about climate change and why it's a threat to the things you love. It's all ahead of a big United Nations climate conference in Paris later this year where we want the UK Government to play an important role in a new deal on climate change.
17 June might look a little bit like the People's Climate March back in September 2015; photo: The Climate Coalition
If you've never done anything like that before, don't worry, you won't be the only one, there'll be plenty of instructions and people on hand from The Climate Coalition and RSPB to ask advice from.
If the rickshaw comment threw you, then let me explain - MPs who meet their constituents on the day will be transported in style in rickshaws to their 'constituency' somewhere along the Thames or South Bank.
After the lobbying action has finished, there'll be a rally with a stage, music and some famous faces that we'll be revealing in the near future.
RSPB will have a meeting point in Westminster with some RSPB faces to help you find your way around the day.
We'll be there speaking up for the wildlife we love that will be affected by climate change. We hope you will too.
Matt Williams, Assistant Warden, RSPB Snape.