diff --git a/src/openhound_github/resources/organization.py b/src/openhound_github/resources/organization.py
index 51435fa..5ebcd57 100644
--- a/src/openhound_github/resources/organization.py
+++ b/src/openhound_github/resources/organization.py
@@ -4,6 +4,7 @@
 from datetime import datetime
 from threading import Lock
 from typing import Any, Iterator
+from urllib.parse import quote
 
 from dlt.sources.helpers import requests
 from dlt.sources.helpers.rest_client.client import RESTClient
@@ -131,6 +132,10 @@ def _client_for_org(ctx: SourceContext, org_login: str) -> RESTClient:
     return ctx.client
 
 
+def _encode_path_segment(value: str) -> str:
+    return quote(value, safe="")
+
+
 def _repository_roles(ctx: SourceContext) -> list[dict[str, Any]]:
     roles: list[dict[str, Any]] = []
     for org in ctx.organizations:
@@ -1297,6 +1302,7 @@ def environment_variables(environment: Environment, ctx: SourceContext):
         EnvironmentVariable (EnvironmentVariable): Environment variable record.
     """
     env_name = environment.name
+    encoded_env_name = _encode_path_segment(env_name)
     env_node_id = environment.node_id
 
     full_repo_name = environment.repository_full_name
@@ -1305,7 +1311,7 @@ def environment_variables(environment: Environment, ctx: SourceContext):
 
     client = _client_for_org(ctx, environment.org_login)
     for page in client.paginate(
-        f"/repos/{full_repo_name}/environments/{env_name}/variables"
+        f"/repos/{full_repo_name}/environments/{encoded_env_name}/variables"
     ):
         for item in page:
             yield {
@@ -1341,10 +1347,11 @@ def environment_branch_policies(environment: Environment, ctx: SourceContext):
         repo_name = environment.repository_name
         repo_node_id = environment.repository_node_id
         env_name = environment.name
+        encoded_env_name = _encode_path_segment(env_name)
         env_node_id = environment.node_id
         client = _client_for_org(ctx, environment.org_login)
         for page in client.paginate(
-            f"/repos/{full_repo_name}/environments/{env_name}/deployment-branch-policies"
+            f"/repos/{full_repo_name}/environments/{encoded_env_name}/deployment-branch-policies"
         ):
             for policy in page:
                 yield {
@@ -1377,10 +1384,11 @@ def environment_secrets(environment: Environment, ctx: SourceContext):
     full_repo_name = environment.repository_full_name
 
     env_name = environment.name
+    encoded_env_name = _encode_path_segment(env_name)
     env_node_id = environment.node_id
     client = _client_for_org(ctx, environment.org_login)
     for page in client.paginate(
-        f"/repos/{full_repo_name}/environments/{env_name}/secrets"
+        f"/repos/{full_repo_name}/environments/{encoded_env_name}/secrets"
     ):
         for secret in page:
             yield {
diff --git a/tests/test_environment_resources.py b/tests/test_environment_resources.py
new file mode 100644
index 0000000..65b30a9
--- /dev/null
+++ b/tests/test_environment_resources.py
@@ -0,0 +1,73 @@
+from types import SimpleNamespace
+
+import pytest
+
+from openhound_github.resources.organization import (
+    OrgContext,
+    SourceContext,
+    environment_branch_policies,
+    environment_secrets,
+    environment_variables,
+)
+
+
+class _FakeClient:
+    def __init__(self):
+        self.paginate_calls: list[tuple[str, dict]] = []
+
+    def paginate(self, path: str, **kwargs):
+        self.paginate_calls.append((path, kwargs))
+        return iter([])
+
+
+def _ctx(client: _FakeClient) -> SourceContext:
+    return SourceContext(
+        client=client,
+        organizations=[OrgContext(client=client, org_name="acme")],
+    )
+
+
+def _environment(name: str) -> SimpleNamespace:
+    return SimpleNamespace(
+        name=name,
+        node_id="ENV_1",
+        org_login="acme",
+        repository_name="repo",
+        repository_full_name="acme/repo",
+        repository_node_id="REPO_1",
+        has_custom_branch_policies=True,
+        required_reviewers=False,
+        prevent_self_review=False,
+    )
+
+
+@pytest.mark.parametrize(
+    ("transformer", "suffix"),
+    [
+        (environment_variables, "variables"),
+        (environment_secrets, "secrets"),
+        (environment_branch_policies, "deployment-branch-policies"),
+    ],
+)
+@pytest.mark.parametrize(
+    ("environment_name", "encoded_name"),
+    [
+        ("feature/test", "feature%2Ftest"),
+        ("QA Environment", "QA%20Environment"),
+        (
+            "PCF_PROD_Deployment / deploy-PROD",
+            "PCF_PROD_Deployment%20%2F%20deploy-PROD",
+        ),
+    ],
+)
+def test_environment_child_resources_encode_environment_names_in_paths(
+    transformer, suffix: str, environment_name: str, encoded_name: str
+) -> None:
+    client = _FakeClient()
+
+    rows = list(transformer.__wrapped__(_environment(environment_name), _ctx(client)))
+
+    assert rows == []
+    assert client.paginate_calls == [
+        (f"/repos/acme/repo/environments/{encoded_name}/{suffix}", {})
+    ]