republic-os/legislation/us/states/co/2018a/hb-18-1147.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	Sunset Process Weather Modification	Sunset Process - House Health, Insurance, and Environment Committee. Sections 1 and 2 of the bill continue the regulation of people who modify the weather until 2033. Section 3 repeals a provision that prohibits weather modification that benefits another state if the other state prohibits weather modification that benefits Colorado.(Note: This summary applies to the reengrossed version of this bill as introduced in the second house.)	us/states/co	Colorado General Assembly	2018A	HB 18-1147	Colorado HB 18-1147 (2018A)	bill		enacted	Don Coram Joann Ginal Kim Ransom	8	14	2	2018-01-31T07:00:00+00:00	2018-04-26T06:00:00+00:00	openstates	ocd-bill/1104aad0-c2c5-45cc-a8e5-db3853b8717d	http://leg.colorado.gov/bills/hb18-1147	d126df43910b4c040edc714b5b4ca074ceafc1ca946577fc3dc120149f91cc5b	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-co

Colorado HB 18-1147 (2018A) — Sunset Process Weather Modification

Sunset Process - House Health, Insurance, and Environment Committee. Sections 1 and 2 of the bill continue the regulation of people who modify the weather until 2033. Section 3 repeals a provision that prohibits weather modification that benefits another state if the other state prohibits weather modification that benefits Colorado.(Note: This summary applies to the reengrossed version of this bill as introduced in the second house.)

Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. Committee Amendment (committee substitute) — source
2. Engrossed (03/20/2018) (committee substitute) — source
3. Final Act (04/19/2018) (committee substitute) — source
4. Introduced (01/31/2018) (committee substitute) — source
5. Reengrossed (03/21/2018) (committee substitute) — source
6. Rerevised (04/12/2018) (committee substitute) — source
7. Revised (04/11/2018) (committee substitute) — source
8. Signed Act (04/26/2018) (committee substitute) — source

Votes

• BILL — 35–0 (pass) · upper
• BILL — 53–9 (pass) · upper

Sponsors

• Don Coram — primary (person)
• Joann Ginal — primary (person)
• Kim Ransom — primary (person)

Timeline

The legislative action history — every referral, reading, and vote.

• 2018-04-26T06:00:00+00:00 Governor Signed executive-signature
• 2018-04-19T06:00:00+00:00 Sent to the Governor executive-receipt
• 2018-04-19T06:00:00+00:00 Signed by the President of the Senate
• 2018-04-18T06:00:00+00:00 Signed by the Speaker of the House
• 2018-04-12T06:00:00+00:00 Senate Third Reading Passed - No Amendments reading-3, passage
• 2018-04-11T06:00:00+00:00 Senate Second Reading Special Order - Passed - No Amendments
• 2018-04-10T06:00:00+00:00 Senate Committee on Appropriations Refer Unamended - Consent Calendar to Senate Committee of the Whole committee-passage
• 2018-03-28T06:00:00+00:00 Senate Committee on Agriculture, Natural Resources, & Energy Refer Unamended to Appropriations referral-committee
• 2018-03-26T06:00:00+00:00 Introduced In Senate - Assigned to Agriculture, Natural Resources, & Energy introduction
• 2018-03-21T06:00:00+00:00 House Third Reading Passed - No Amendments reading-3, passage
• 2018-03-20T06:00:00+00:00 House Second Reading Passed - No Amendments reading-2
• 2018-03-16T06:00:00+00:00 House Committee on Appropriations Refer Unamended to House Committee of the Whole referral-committee, committee-passage
• 2018-02-22T07:00:00+00:00 House Committee on Health, Insurance, & Environment Refer Unamended to Appropriations referral-committee
• 2018-01-31T07:00:00+00:00 Introduced In House - Assigned to Health, Insurance, & Environment introduction

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/1104aad0-c2c5-45cc-a8e5-db3853b8717d. Confidence: reported (aggregated from official Colorado legislature records).